Anton Glanzelius (born 11 April 1974 in Gothenburg, Sweden) is an actor mainly known for My Life as a Dog (1985). For his role in My Life as a Dog he won the award for Best Actor at the 21st Guldbagge Awards.
He is the son of actress Margita Ahlin and grandson of actor Harry Ahlin. Glanzelius currently works as an executive producer at Swedish TV4 AB. He is also known for being friends with Michael Jackson, who contacted him in 1987 after being impressed with his performance in My Life as a Dog.