Judy \j(u)-dy\ as a girl's name. Diminutive of Judith. First used in the 18th century. Actresses Judy Garland, Judy Holliday, Dame Judi Dench; singer Judy Collins.
Judy has 5 variant forms: Judee, Judey, Judi, Judie and Judye.
Baby names that sound like Judy are Jady and Jody.