| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Sverre Jordan | Composer, Conductor | 1936 - 1957 | 8 | |||
| Pradeep Jayathilake | Composer | 2006 | 7 | |||
| Leif Jordanssen | Composer | 2008 | 4 | |||
| Robert Jud | Composer | 1977 | 1 | |||
| W. Junge | Composer | 1889 | 1 | |||
| Leoš Janáček | Composer | 1994 - 1996 | 3 | |||
| Sverre Indris Joner | Composer | 2004 - 2006 | 22 | |||
| Geir Jenssen | Composer | 2010 - 2013 | 5 | |||
| Antanas Jasenka | Composer | 2012 | 1 | |||
| Jæwer Jæv | Composer | 2005 - 2006 | 9 | |||
| Liu Jiankuan | Composer | 2006 - 2010 | 7 | |||
| Karel Boleslav Jirák | Composer | 1922 | 1 | |||
| Lado Jakša | Composer | 1986 | 1 | |||
| Aloys John | Composer | 1985 | 1 | |||
| Tassilo Jelde | Composer | 1985 | 1 | |||
| Bob James | Composer | 1990 | 1 | |||
| Chris Jordan | Composer | 1990 - 1992 | 2 | |||
| Scott Joplin | Composer | 1994 | 1 | |||
| Stefan Johansson | Composer | 2014 - 2015 | 44 | 1 | ||
| Milan Jíra | Composer | 1979 - 2000 | 3 | |||
| Rainer Jörissen | Composer | 1997 - 2007 | 4 | |||
| Václav Jedlièka | Composer | 2012 | 1 | |||
| Helén Jonsson | Composer | 2002 - 2003 | 3 | |||
| Jóhann Jóhannsson | Composer | 2003 | 1 | |||
| Dan Jones | Composer | 2004 - 2012 | 2 | 1 | ||
| Vítek Jíra | Composer | 2006 | 1 | |||
| Lee Johnson | Composer | 2005 | 3 | |||
| Dan Jelescu | Composer | 1963 | 1 | |||
| Sylvain Jacques | Composer | 2006 - 2007 | 2 | |||
| Sergio Murillo Jerez | Composer | 2008 - 2009 | 4 | |||
| Richard Janssen | Composer | 2008 - 2009 | 2 | |||
| Barði Jóhannsson | Composer | 2011 | 1 | |||
| Grace Jones | Composer | 2011 | 1 | |||
| Tamás Józsa | Composer | 2016 | 1 | |||
| Edvard Armas Jarnefelt | Composer | 1936 | 1 | |||
| Alaric Jans | Composer | 1978 | 1 | 1 | ||
| Arnold Judson | Composer | 1964 | 1 | |||
| Cuinn Joseph | Composer | 2019 | 1 | |||
| Jakob Janssønn | Composer | 2019 | 1 | |||
| Niels Janette Walen | Composer | 1976 | 1 | |||
| Kathryn Joseph | Composer | 2021 | 5 | |||
| Laurie Johnson | Composer | 1975 | 1 | |||