Martti Kosma
Martti Johannes Kosma was a Finnish football player and manager.
A forward, Kosma began his career at KuPS. In 1953, Kosma moved to Kajaanin Palloilijat, playing for the club for a year, before returning to KuPS.
Following his playing career, Kosma moved into management. In 1958, Kosma managed KuPS to the 1958 Mestaruussarja title. Kosma moved to Reipas Lahti, winning the Mestaruussarja in 1963, 1967 and 1970, as well as the Finnish Cup in 1964. In 1975, Kosma managed the Finland national team for two games.