Marleen is a feminine given name. It is sometimes a shortened form of Magdalena. People bearing the name include:
Magdalena Marleen Barth (born 1964), Dutch politician
Marleen S. Barr, American academic and author
Marleen Daniels (born 1958), Belgian photographer
Marleen Gorris (born 1948), Dutch writer and director
Marleen Kuppens (born 1959), Belgian former sprint canoer
Marleen de Pater-van der Meer (1950–2015), Dutch politician
Marleen Renders (born 1968), Belgian retired long-distance runner
Marleen Temmerman (born 1953), Belgian politician
Marleen Vanderpoorten (born 1954), Belgian/Flemish politician
Magdalena Marleen Veldhuis (born 1979), Dutch former swimmer
Marleen Wissink (born 1969), Dutch former football goalkeeper
Marleen (TV play), A 1966 Australian TV play