Kaycee \ka(y)-cee\ as a girl's name (also used as boy's name Kaycee), is a variant of Casey (Irish, Gaelic) and Kacie (American), and the meaning of Kaycee is "alert, watchful".

The baby name Kaycee sounds like Kaysee, Kaycie, Kaycey, Kayce, Kacee and Caycee. Other similar baby names are Kaylee, Jaycee and Kaydee.