Tawnia \ta(w)-nia\ as a girl's name is a variant of Tawny (Irish, Old English), and the meaning of Tawnia is "a green field; golden brown".

The baby name Tawnia sounds like Tawnya, Tania, Tahnia, Tawnie, Tawni and Tawna. Other similar baby names are Fawnia and Tarnia.