Kaci \k(a)-ci\ as a girl's name is a variant of Casey (Irish, Gaelic) and Kacie (American), and the meaning of Kaci is "alert, watchful".

The baby name Kaci sounds like Kasi, Kayci, Kasci, Kacy, Kace, Caci and Kacia. Other similar baby names are Kadi, Kari, Kati, Jaci, Kai, Kali, Kami, Kani, Laci and Maci.