Rolf Maartmann (3 November 1887 – 8 July 1941) was a Norwegian football player. He was born in Kristiania. He played for the club Lyn, and also for the Norwegian national team. He competed at the 1912 Summer Olympics in Stockholm.[1] He was Norwegian champion with Lyn in 1908, 1909, 1910 and 1911.[2] He was the twin brother of Erling Maartmann.[3]