Kasie \k(a)-sie\ as a girl's name (also used as boy's name Kasie), is a variant of Casey (Irish, Gaelic) and Kasey (American), and the meaning of Kasie is "alert, watchful; alert; vigorous".

The baby name Kasie sounds like Kasi, Kacie, Kaysie, Kasee, Casie, Kassie, Kasse and Kasia. Other similar baby names are Kadie, Katie, Dasie, Kalie and Karie.