Wandah \wa(n)-dah\ as a girl's name is a variant of Wanda (Slavic), and the meaning of Wandah is "the tribe of the Vandals".
The baby name Wandah sounds like Vanda, Wonda, Wenda, Wannda, Wandy, Wandie and Wahnda. Other similar baby names are Zanda, Sanda, Manda, Canda, Nanda, Wanna, Randa, Walda, Wandis and Warda.