Mike Roselle (born 1954) is an American environmental activist and author. Roselle is one of the co-founders of the radical environmental organization Earth First!, as well as of Rainforest Action Network, the Ruckus Society, and Climate Ground Zero.
Roselle states that he has been arrested about 50 times in his career; he says that "it's hard to remember them all anymore."
Roselle is the co-author of an autobiography, Tree Spiker: From Earth First! to Lowbagging: My Struggles in Radical Environmental Action