Robetta \r(o)-betta, rob(et)-ta\ as a girl's name is a variant of Roberta (Old English, Old German), and the meaning of Robetta is "bright fame".
The baby name Robetta sounds like Robette and Rubetta. Other similar baby names are Rosetta, Renetta, Rhetta, Retta, Rupetta, Ruberta, Robettina, Roberto, Roberda, Robenia, Robena, Robella, Robeena, Reberta, Bobette, Ronette and Rosette.