Janina Maria Andersson (born 28 February 1971) is a Finnish politician and former member of Finnish Parliament, representing the Green League. She has also held positions in various other organisations. She was first elected to the parliament in 1995^[1] and served until 2011.

Andersson was born in Turku, Finland. She has a master's degree in political science from the Åbo Akademi. Andersson is married with two children.