The name Charlene is a girl's name meaning "free man". Charlene and is often added to lists like Coolator for Girls' Names and discussed in our forums with posts like "Would you rather be named...".
From the experts:
Charlene is a Charlotte variation that, along with similar names like Arlene and Marlene, spiked in popularity in the 1940s and fifties, reaching a high of Number 100 in 1949. Most parents today would prefer one of the note classic versions -- or even nickname Charlie.