Sydnee \s(y)-dnee, syd-nee\ as a girl's name is a variant of Sydney (Old English), and the meaning of Sydnee is "wide meadow".

The baby name Sydnee sounds like Cydnee, Sydnie and Sidnee. Other similar baby names are Cydney, Sydel, Sadee, Sidney, Sidnie, Sunnee and Cydnie.