| Composer | Title | Year | Pages & duration |
| Jarman, Charles A. | Meditation | c.1924 | 6p. |
| Jeffries, Richard Thomas (1841-c. 1890) | Unknown work(s) | ||
| Jenkins, Cyril (1885-1978) | Keltic Sonata | 1924 | 13m. |
| Night | 1925 | 5m. | |
| Dawn | 1925 | 5m. | |
| Festivity | 1925 | ||
| Fantasia on "Come ye saints" | 1961 | 7m. | |
| Morning song | 1961 | 8m. | |
| Cradle song | 1963 | ||
| Jones, Thomas H. (1856-1936) | A stately measure | ||
| Military march in B flat | 1878 | ||
| Jones, Trevor A. (1932-) | Soliloquy | 1953 | 11p. 10m. |
| Fanfare for an academic occasion for large concert organ | 1965 | 2p. 1m. | |
| Jones, Melvin H. | Organ fantasy 1 or Mr. universe | ||
| Organ fantasy | |||
| Joseph, David (1954-) | Symphony for organ and string orchestra | 1989 | 220p. 30m. |