| Song/Tune Title | Book |
| Ko Ko Mo (I Love You So) | UFB3 |
| Kogun | HLRJFB |
| Kokomo | MFB |
| Kokomo | RLBFB |
| Kokomo Blues | BFB |
| Kokomo, Indiana | MFFB |
| Kol Dodi | JFB |
| Kol Ha'olam Kulo | JFB |
| Kol Nidre | JFB |
| Koo-koo | AJFB |
| Krishna | FFB |
| Kum ba ya | RWLPFB |
| Kum Ba Yah | HFB |
| Kumbaya | FFB |
| L'amour-toujours-L'amour (love everlasting) | MFFB |