Collet \c(ol)-let\ as a girl's name is a variant of Colette (French), and the meaning of Collet is "people of victory".
The baby name Collet sounds like Collete and Colleta. Other similar baby names are Calley, Callee, Callen, Collette, Coleta, Colleen, Colly, Collie, Collene, Collena, Coleen, Collis, Joliet, Coley, Cole and Viollet.