| Personal information | |||
|---|---|---|---|
| Full name | Martti Johannes Kosma | ||
| Date of birth | 24 June 1927 | ||
| Place of birth | Sortavala, Finland | ||
| Date of death | 29 July 1999 (aged 77) | ||
| Position(s) | Forward | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| KuPS | |||
| 1953 | Kajaanin Palloilijat | ||
| KuPS | |||
| Managerial career | |||
| KuPS | |||
| Reipas Lahti | |||
| 1975 | Finland | ||
| *Club domestic league appearances and goals | |||
Martti Johannes Kosma (26 March 1922 – 29 July 1999) was a Finnish football player and manager.