Coronetta \c(o)-ro-netta, coron(et)-ta\ as a girl's name is a variant of Corona (Spanish), and the meaning of Coronetta is "crown".
The baby name Coronetta sounds like Coronette, Carondella, Correnda, Corinda, Corinthia, Grenatta and Garnette. Other similar baby names are Conetta, Coretta and Corvetta.