| 2002 | Saint‐Saëns: Bassoon Sonata / Grøndahl: Bassoon Concerto / Röntgen: Bassoon Sonata & 3 Romances for Piano | Saint‐Saëns, Grøndahl, Röntgen; Dirk Meijer, Jan van Liere | 3 | 1 |
| 2003 | Cellosonatas: A tribute to Pablo Casals | Julius Röntgen; Jean Decroos, Danièle Dechenne | | 1 |
| 2006 | Cellosonatas, Vol. 2 | Julius Röntgen; Jean Decroos, Danièle Dechenne | 5 | 1 |
| 2006 | Symphony No 3 • Suite »Aus Jotunheim« | Julius Röntgen; Staatsphilharmonie Rheinland-Pfalz, David Porcelijn | | 1 |
| 2007 | Complete Cello Concertos | Julius Röntgen; Arturo Muruzabal, Paul Watkins, Henrik Schaefer | | 1 |
| 2007 | Right Through the Bone | Julius Röntgen; ARC Ensemble | | 1 |
| 2008 | Aus Goethes Faust | Julius Röntgen; Beekman, André Morsch, André Post, Mark Richardson, Dennis Wilgenhof, Koor van de Nationale Reisopera Enschede, Netherlands Symphony Orchestra, David Porcelijn | | 1 |
| 2008 | Klaviertrios, Vol. 1 | Julius Röntgen; Storioni Trio | | 1 |
| 2008 | Symphony No 10 / Symphonietta Humoristica / 3 Preludes & Fugues / Suite »Oud-Nederland« | Julius Röntgen; Deutsche Staatsphilharmonie Rheinland‐Pfalz, David Porcelijn | | 1 |
| 2008 | Symphonie No 18 / Een Liedje Van De Zee / Ballade | Julius Röntgen; NDR Radiophilharmonie, David Porcelijn | | 1 |
| 2009 | Dutch Sonatas for Violoncello and Piano, Volume 2 | Julius Röntgen, Daniel van Goens; Doris Hochscheid, Frans van Ruth | | 1 |
| 2009 | Symphonies Nos. 8 & 15 / Variationen über eine Norwegische Volksweise | Julius Röntgen; NDR Radiophilharmonie, David Porcelijn | | 1 |
| 2011 | The Violin Concertos | Julius Röntgen; Liza Ferschtman, Deutsche Staatsphilharmonie Rheinland‐Pfalz, David Porcelijn | | 1 |
| 2011 | Piano Concertos 2 & 4 | Julius Röntgen; Matthias Kirschnereit, NDR Radiophilharmonie, David Porcelijn | | 1 |
| 2012 | Symphonies 6, 5 & 19 | Julius Röntgen; Consensus Vocalis, Netherlands Symphony Orchestra, David Porcelijn | | 1 |
| 2012 | Wind Serenades | Julius Röntgen; Linos Ensemble | | 1 |
| 2013 | Complete Cello Concertos | Julius Röntgen; Gregor Horsch, Netherlands Symphony Orchestra, David Porcelijn | | 1 |
| 2014 | The Late String Trios | Julius Röntgen; Offenburger Streichtrio | | 1 |
| 2016 | Works for Violin & Piano, Vol. 1 | Julius Röntgen; Christoph Schickedanz, Ernst Breidenbach | | 2 |
| 2017 | Symphonies 9 & 21 / Serenade | Julius Röntgen; Brandenburgisches Staatsorchester Frankfurt, David Porcelijn | | 1 |
| 2019 | Piano Concertos 3, 6, & 7 | Julius Röntgen; Oliver Triendl, Kristiansand Symphony Orchestra, Hermann Bäumer | | 1 |
| 2020 | Works for Violin & Piano, Vol. 2 | Julius Röntgen; Christoph Schickedanz, Ernst Breidenbach | | 2 |
| 2021 | Symphonies 11, 12, 14, 22–24 | Julius Röntgen; Brandenburgisches Staatsorchester Frankfurt, David Porcelijn | | 1 |
