Colleen is a common English language name of Irish origin and a generic term for Irish women or girls, from the Irish cailín (caile, countrywoman). It may also refer to:
Colleen is a 1936 Warner Bros. musical film directed by Alfred E. Green. It stars Dick Powell, Ruby Keeler, and Joan Blondell.
Colleen is the manager of a dress shop named "The Ames Company", owned by Donald Ames. They try to keep Uncle Cedric from working, because he'll ruin the company. Troubles start when he hires schemer Joe as his personal assistant. He later also hires Minnie, a woman who has a great passion for fashion. When he buys the dress shop for Minnie where Colleen works as a bookkeeper, a scandal is soon followed. Donald decides to shut the shop, but is stopped because of his infatuation towards Colleen. It is Colleen who eventually makes a profit out of the things that happened. Meanwhile, a man named Cedric tries to adopt Minnie. Minnie refuses and thereby causes a scandal. This angers Alicia, but the press can't get enough of it. Donald loses Colleen's affection and thus is sued by Joe.
Colleen was a rowboat used on Okanagan Lake in British Columbia, Canada in the late 1800s and early 1900s. She belonged to the Reverend Thomas Greene and served many early settlers and pioneers of the Okanagan, including W. D. Walker and Thomas Ellis, the earliest European settler in Penticton, British Columbia.