| Name | Dates | Era | Nationality |
|---|---|---|---|
| Jackson, Michael | 08/29/1958 - 06/25/2009 | 20th Century | USA |
| Janácek , Leos | 1854 - 1928 | Romantic | Czech Republic |
| Janequin, Clément | c. 1485 - c. 1560 | Renaissance | France |
| Jenkins, John | 1592 - 1678 | Renaissance | England |
| Jeune, Claude Le | 1528 - 1600 | Renaissance | France |
| Jolas, Betsy | 08/05/1926 | 20th Century | France |
| Jommelli, Niccolò | 1714 - 1774 | Baroque | Italy |
| Jones, Quincy | 03/14/1933 | 20th Century | USA |
| Jongen, Joseph | 1873 - 1953 | Romantic | Belgium |
| Joplin, Scott | 1868 - 1917 | Romantic | USA |