Courtnie \co(u)-rt-nie, cour-tnie\ as a girl's name is a variant of Courtney (Old French), and the meaning of Courtnie is "domain of Curtius".

The baby name Courtnie sounds like Kourtnie, Courtnee and Cortnie. Other similar baby names are Cornie, Kourtnee, Courtny, Courtnay, Cortnee and Fortnie.