| 1972 | If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:26 |
| 1973 | If You Don’t Know Me by Now | live | Harold Melvin & The Blue Notes | 4:08 |
| 1982 | If You Don't Know Me by Now | cover and live | Patti LaBelle | 7:05 |
| 1983 | If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:37 |
| 1989 | If You Don’t Know Me by Now | live | Harold Melvin & The Blue Notes | 4:18 |
| 1989 | If You Don’t Know Me by Now | live | Simply Red | 3:28 |
| 1989 | If You Don’t Know Me by Now | live | Harold Melvin and The Blue Notes | 4:23 |
| 2000 | If You Don't Know Me by Now | cover | The Countdown Singers | 3:24 |
| 2007-05-31 | If You Don’t Know Me by Now | cover and live | Simply Red | 4:27 |
| 2007 – 2008 | If You Don’t Know Me by Now | cover | Joo Kraus & Tales in Tones Trio | 4:25 |
| 2008-03-10 | If You Don’t Know Me by Now | live | Patti LaBelle | 5:02 |
| 2008 | If You Don’t Know Me by Now | cover | Seal | 3:49 |
| 2010-09-14 | If You Don’t Know Me by Now | live | Simply Red | 3:58 |
| 2011-02-13 | If You Don’t Know Me by Now / American Honey / Need You Now | cover, live and medley | Lady Antebellum | 3:36 |
| 2015 | If You Don’t Know Me by Now | cover | The Three Degrees | 5:52 |
| F You Don't Know Me by Now | | Simply Red | 3:24 |
| If You Don't Know By Now/The Love I Lost/Bad Luck/Wake Up Everybody (live) | live and medley | Teddy Pendergrass | 7:13 |
| If you don't know me by now | | Harold Melvin & The Blue Notes | 3:23 |
| If you don't know me by now | | Harold Melvin & The Blue Notes | 3:23 |
| If you don't know me by now | | Harold Melvin & The Blue Notes | 3:23 |
| If you don't know me by now | | Harold Melvin & The Blue Notes | 3:23 |
| If you don't know me by now | | Harold Melvin & The Blue Notes | 3:23 |
| If you don't know me by now | | Harold Melvin & The Blue Notes | 3:23 |
| If you don't know me by now | | Harold Melvin & The Blue Notes | 3:23 |
| If you don't know me by now | | Harold Melvin & The Blue Notes | 3:23 |
| If you don't know me by now | | Harold Melvin & The Blue Notes | 3:23 |
| If you don't know me by now | | Harold Melvin & The Blue Notes | 3:23 |
| If you don't know me by now | | Harold Melvin & The Blue Notes | 3:23 |
| If you Don't Know Me By Now | live | Teddy Pendergrass | 1:49 |
| If You don't know me by now | | Harold Melvin & The Blue Notes | 3:25 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:20 |
| If You Don't Know Me by Now | cover and live | Ben Saunders | 3:39 |
| If You Don't Know Me by Now | cover and instrumental | [unknown] | 3:12 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:28 |
| If You Don't Know Me by Now | cover | David Clayton‐Thomas | ?:?? |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:37 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:18 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:23 |
| If You Don't Know Me by Now | instrumental | [unknown] | 3:18 |
| If You Don't Know Me by Now | cover | The BB Band | 3:34 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:19 |
| If You Don't Know Me by Now | cover | [unknown] | 4:19 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:29 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:26 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:23 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:33 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:28 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 4:25 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:36 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:07 |
| If You Don't Know Me by Now | cover | Jean Carn | 4:52 |
| If You Don't Know Me by Now | cover | Patti LaBelle | 8:11 |
| If You Don't Know Me by Now | cover | Steve Brookstein | 3:41 |
| If You Don't Know Me by Now | cover | Phil Perry | 4:49 |
| If You Don't Know Me by Now | cover | Rod Stewart | 3:59 |
| If You Don't Know Me by Now | cover and instrumental | Ray Conniff | 3:20 |
| If You Don't Know Me by Now | cover | Stefano Langone | 2:45 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:10 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:37 |
| If You Don't Know Me by Now | live | Harold Melvin & The Blue Notes | 4:28 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:22 |
| If You Don't Know Me by Now | cover | Glen Ricks & The Taxi Gang | 5:09 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:37 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:28 |
| If You Don't Know Me by Now | cover | Short People | 3:38 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:28 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:28 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:34 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:33 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 2:56 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:22 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:36 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:34 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:04 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:35 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:20 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:25 |
| If You Don't Know Me by Now | cover | The Countdown Singers | 3:21 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:26 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:34 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:32 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:32 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:21 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:23 |
| If You Don't Know Me by Now | | Harold Melvin And The Blue Notes | 3:24 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:36 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:37 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:37 |
| If You Don't Know Me by Now | | Harold Melvin And The Blue Notes | ?:?? |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 4:26 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 3:35 |
| If You Don't Know Me by Now | | Harold Melvin & The Blue Notes | 4:26 |
| If You Don't Know Me By Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don't Know Me By Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don't Know Me By Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don't Know Me By Now | | Harald Melvin & The Blue Notes | 3:34 |
| If You Don't Know Me By Now | | Harold Melvin & The Blue Notes | 5:05 |
| If You Don't Know Me By Now | | Harold Melvin & The Blue Notes | 4:25 |
| If You Don't Know Me By Now | cover | [unknown] | 3:22 |
| If You Don't Know Me By Now | cover | Juice Newton & Dan Seals | 3:36 |
| If You Don't Know Me By Now | cover | Don Bonn | 4:03 |
| If You Don't Know Me By Now | | Harold Melvin & The Blue Notes | 3:29 |
| If You Don't Know Me By Now | cover | The Cecil Holmes Soulful Sounds | 3:27 |
| If You Don't Know Me By Now | cover | Jack Jezzro / Sam Levine | 4:34 |
| If You Don't Know Me By Now | | Harold Melvin & The Blue Notes | 3:25 |
| If You Don't Know Me By Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don't Know Me By Now | | Harold Melvin & The Blue Notes | 3:39 |
| If You Don't Know Me By Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don't Know Me By Now | | Harold Melvin & The Blue Notes | 3:38 |
| If You Don't Know Me by Now (edit) | | Harold Melvin & The Blue Notes | 3:36 |
| If You Don't Know Me by Now (live) | live | Harold Melvin & The Blue Notes | 4:07 |
| If You Don't Know Me by Now (Part 1) | cover | Patti LaBelle | 3:28 |
| If You Don't Know Me by Now (Part 2) | cover | Patti LaBelle | 4:08 |
| If You Don't Know Me By Now (Re-Recording) | | Harold Melvin & The Blue Notes | 3:35 |
| If You Don't Know Me Now | cover and instrumental | [unknown] | 3:20 |
| If You Don't Kwow Me by Now | | Harold Melvin & The Blue Notes | 3:40 |
| If You Don’t Know Me By Know | | Harold Melvin & The Blue Notes | 3:36 |
| If You don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:12 |
| If You Don’t Know Me by Now | cover | Deutschland sucht den Superstar Top 10 | 3:24 |
| If You Don’t Know Me by Now | cover | Simply Red | ?:?? |
| If You Don’t Know Me by Now | cover | Simply Red | 3:23 |
| If You Don’t Know Me by Now | cover and live | Simply Red | 3:41 |
| If You Don’t Know Me by Now | cover | Simply Red | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:16 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:29 |
| If You Don’t Know Me by Now | live | Harold Melvin & The Blue Notes | 4:05 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:24 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 2:56 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:28 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:25 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:33 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:28 |
| If You Don’t Know Me by Now | cover | Simply Red | 3:26 |
| If You Don’t Know Me by Now | cover | The London Starlight Orchestra & Singers | 3:25 |
| If You Don’t Know Me by Now | cover and instrumental | [unknown] | 3:21 |
| If You Don’t Know Me by Now | cover | The Trammps | 3:06 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:07 |
| If You Don’t Know Me by Now | | Harold Melvin and The Blue Notes | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin | 3:35 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:37 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:32 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes feat. Teddy Pendergrass | 3:25 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:24 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin and The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:20 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:35 |
| If You Don’t Know Me by Now | | Harold Melvin and The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:35 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:30 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:35 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:34 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes feat. Teddy Pendergrass | 3:22 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:22 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:18 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:30 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:26 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:34 |
| If You Don’t Know Me by Now | | Harold Melvin and The Blue Notes | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:28 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:26 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:36 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:30 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:26 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 4:27 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:26 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:26 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:22 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:23 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:22 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:38 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 4:24 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:30 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:30 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:33 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:22 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin and The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:33 |
| If You Don’t Know Me by Now | cover | [unknown] | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:34 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:35 |
| If You Don’t Know Me by Now | | Harold Melvin | 3:36 |
| If You Don’t Know Me by Now | cover | The Temptations | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin | 3:26 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:21 |
| If You Don’t Know Me by Now | | Harold Melvin | 3:36 |
| If You Don’t Know Me by Now | | Simply Red | 3:27 |
| If You Don’t Know Me by Now | | Simply Red | 3:23 |
| If You Don’t Know Me by Now | cover | Russell Watson | 3:42 |
| If You Don’t Know Me by Now | cover | Simply Red | 3:24 |
| If You Don’t Know Me by Now | cover and live | Simply Red | ?:?? |
| If You Don’t Know Me by Now | cover and live | Simply Red | 6:03 |
| If You Don’t Know Me by Now | | Simply Red | 3:26 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:29 |
| If You Don’t Know Me by Now | | [theatre] | 2:10 |
| If You Don’t Know Me by Now | cover | Jaya | 3:20 |
| If You Don’t Know Me by Now | instrumental | Mornington Lockett | 4:05 |
| If You Don’t Know Me by Now | cover | Martina McBride | 3:32 |
| If You Don’t Know Me by Now | cover | Jean Carne | 3:53 |
| If You Don’t Know Me by Now | | Simply Red | 3:26 |
| If You Don’t Know Me by Now | | Simply Red | ?:?? |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | ?:?? |
| If You Don’t Know Me by Now | | Simply Red | 3:39 |
| If You Don’t Know Me by Now | | Simply Red | 3:26 |
| If You Don’t Know Me by Now | | Simply Red | 3:26 |
| If You Don’t Know Me by Now | | Simply Red | 3:24 |
| If You Don’t Know Me by Now | | Simply Red | 3:28 |
| If You Don’t Know Me by Now | | Simply Red | 3:20 |
| If You Don’t Know Me by Now | | Simply Red | 3:24 |
| If You Don’t Know Me by Now | cover and instrumental | [unknown] | 3:21 |
| If You Don’t Know Me by Now | | Harold Melvyn | 3:23 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:35 |
| If You Don’t Know Me by Now | cover | Dennis Brown | 4:05 |
| If You Don’t Know Me by Now | instrumental | Royal Philharmonic Orchestra | 4:52 |
| If You Don’t Know Me by Now | cover | Simply Red | 3:26 |
| If You Don’t Know Me by Now | cover | Simply Red | 3:24 |
| If You Don’t Know Me by Now | cover | Lyn Collins | 5:22 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:34 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:35 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:35 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:31 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:32 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:25 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:06 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:37 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:20 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 2:58 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:37 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:27 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:33 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:20 |
| If You Don’t Know Me by Now | | Harold Melvin & The Blue Notes | 3:22 |
