| 1973 | Hot Lotta | Peter Brötzmann, Juhani Aaltonen, Peter Kowald & Edward Vesala | | 2 |
| 1976 | Carpathes | Pilz, Kowald, Lovens | | 1 |
| 1979 | Die Jungen: Random Generators | Peter Kowald, Barre Phillips | | 1 |
| 1980 | Touch the Earth | Leo Smith, Peter Kowald, Günter Sommer | | 2 |
| 1982 | If You Want the Kernels You Have to Break the Shells | Kowald, Smith, Sommer | | 1 |
| 1982 | Paintings | Peter Kowald, Barry Guy | | 1 |
| 1982 | Two Making a Triangle | Peter Kowald, Maarten Altena | | 1 |
| 1983 | What Are You Talking About? | Tristan Honsinger, Toshinori Kondo, Peter Kowald, Sabu Toyozumi | | 2 |
| 1985 | World-Music-Meeting | 山本邦山, Charlie Mariano, Juan José Mosalini, Krzesimir Dębski, Alfred 23 Harth, Karl Berger, Peter Kowald, Ken Johnson, Ponda O'Bryan, Trilok Gurtu, Barry Altschul | | 1 |
| 1988 | Global Village Suite Improvised | Danny Davis, Takehisa Kosugi, Peter Kowald | | 1 |
| 1988 | Open Secrets | Peter Kowald | | 1 |
| 1990 | Human Aspect | Floros Floridis, Vincent Chancey, Peter Kowald, Louis Moholo | | 1 |
| 1991 | Duos: Europa . America . Japan | Peter Kowald | | 1 |
| 1992 | Cappuccini Klang | Gebbia / Kowald / Sommer | | 1 |
| 1992 | When the Sun Is Out You Don’t See Stars | Peter Kowald · Werner Lüdi · Butch Morris · Sainkho Namtchylak | 3 | 3 |
| 1993 | Πυρήχεια | Ηλίας Παπαδόπουλος, Peter Kowald & Φλώρος Φλωρίδης | | 2 |
| 1994 | The Remedy | Sebastian Gramss, Claus Wagner, Axel Dörner, Matthias Schubert, Peter Kowald, Tom Cora | | 1 |
| 1995 | Cuts | Peter Kowald, Ort Ensemble Wuppertal, Evan Parker, Lê Quan Ninh, Carlos Zíngaro | | 2 |
| 1995 | Nil | Scholl, Erismann, Niggli, Frith, Koch, Kowald | | 1 |
| 1995 | Was da ist | Peter Kowald | | 1 |
| 1997 | Αφορισμοί - Aphorisms (26 Statements on the Situation) | Φλώρος Φλωρίδης, Peter Kowald, Günter Baby Sommer | | 1 |
| 1998 | CIMPhonia 1998, Part 1 | Joe McPhee, Mark Whitecage, Paul Smoker, David Prentice, Peter Kowald, Dominic Duval, Jay Rosen | | 1 |
| 1999 | CIMPhonia 1998, Part 2 | Joe McPhee - Mark Whitecage - Paul Smoker - David Prentice - Peter Kowald - Dominic Duval - Jay Rosen | | 1 |
| 1999 | Postura | Alessandro Bosetti, Peter Kowald | | 1 |
| 2001 | Deals, Ideas & Ideals | Rashied Ali, Peter Kowald, Assif Tsahar | | 1 |
| 2001 | Mirrors - Broken but No Dust | Peter Kowald, Damon Smith | | 1 |
| 2001 | Open Secrets - A Suite in 13 Parts | Carlos Bechegas, Peter Kowald | | 1 |
| 2001 | Of Mountains and Valleys | Günther Pitscheider, Peter Kowald | | 1 |
| 2001 | Open Systems | Assif Tsahar, Hugh Ragin, Peter Kowald, Hamid Drake | | 1 |
| 2001 | Silence and Flies: Live at Nigglmühle | Peter Kowald | | 2 |
| 2002 | Principle Hope | Daniel Carter, Laurence Cook, Peter Kowald, Jonathan LaMaster | | 1 |
| 2003 | 13 Definitions of Truth | Tatsuya Nakatani & Peter Kowald | | 1 |
| 2003 | Between Heaven and Earth | Conrad Bauer, Peter Kowald, Günter Sommer | | 1 |
| 2003 | Illuminations (Several Views) | Peter Kowald, Miya Masaoka, Gino Robair | | 1 |
| 2004 | Global Village | Peter Kowald | | 1 |
| 2005 | Aria | Peter Kowald, Alberto Braida, Giancarlo Locatelli | | 1 |
| 2006 | Ghetto Calypso | Marco Eneidi, Peter Kowald, Damon Smith, Spirit | | 1 |
| 2006 | Sea of Lead | Agustí Fernández, Peter Kowald | | 1 |
| 2009 | Bass Solo | Peter Kowald | | 1 |
| 2012 | Encounter and Improvisation | Masayuki Takayanagi, Peter Kowald, Keiki Midorikawa | | 1 |
| 2013 | Trio and Duo in New Orleans | Kidd Jordan, Alvin Fielder, Peter Kowald | | 1 |
| 2014 | Instants Chavirés | Peter Kowald - Daunik Lazro - Annick Nozati | | 1 |
| — | Cuts | Peter Kowald / Ort Ensemble Wuppertal With Evan Parker, Lê Quan Ninh, Carlos Zingaro | | 1 |
| — | Free Jazz | A.R. Penck, Peter Kowald, Gianluigi Trovesi | | 1 |
| — | Open Secrets | Carlos Bechegas, Peter Kowald | | 1 |
