| Marius Andersen | |
| Full Name: | Peter Marius Andersen |
| Birth Place: | Copenhagen, Denmark |
| Death Place: | Copenhagen, Denmark |
Peter Marius Andersen (25 April 1885 – 20 March 1972) was a Danish amateur football (soccer) player in the striker position, who won a silver medal with the Danish national team in the 1908 Summer Olympics football tournament. He played one game at the tournament, his only game for the national team. He played his club football with BK Frem.[1]