Kourtnee \ko(u)-rt-nee, kour-tnee\ as a girl's name is a variant of Courtney (Old French), and the meaning of Kourtnee is "domain of Curtius".
The baby name Kourtnee sounds like Kourtnie, Kourtney and Courtnee. Other similar baby names are Kortney, Courtnie, Cortnee and Fortnee.