Kellen \k(el)-len\ as a girl's name (also used as boy's name Kellen), is pronounced KEL-en. It is of Gaelic origin, and the meaning of Kellen is "slender; fair".

Kellen has 2 variant forms: Kellan and Kellyn.

Baby names that sound like Kellen are Kelleen, Kallan, Callen, Keelin, Keelan, Kolleen, Kaleen, Kaylen, Kalen, Keelyn, Kellina, Kylen and Kyleen.