Retta \r(et)-ta\ as a girl's name is a variant of Rhetta (Latin), and the meaning of Retta is "speaker".
The baby name Retta sounds like Retha, Reta, Reeta, Ritta and Reita. Other similar baby names are Netta, Betta, Cetta, Detta, Hetta, Yetta, Jetta, Letta and Zetta.