Colleen \c(ol)-leen\ as a girl's name is pronounced kah-LEEN. It is of Gaelic origin, and the meaning of Colleen is "girl, wench". From "cail?". Sometimes used as a feminine of Colin or variant of Colette. Colene (koh-LEEN) is also a feminine form of Cole. See also Cailin. Silent screen celebrity Colleen Moore; actress Colleen Dewhurst; writer Colleen McCullough.
For more information, see also the related name Kalina.