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

The baby name Sidnee sounds like Sidney, Sidnie and Sydnee. Other similar baby names are Cydnee, Cidney, Sinnie, Saidee, Sadee, Sine, Sidni, Sidonie, Signe, Sivney, Sivnie, Sunnee and Sydnie.