Niilo Martikainen is a 19-year-old professional football player from FIN. He currently plays for FC Haka, wearing the number 19 shirt. He plays primarily as a Forward. His preferred foot is Left.

His most recent move was a from FC Haka II to FC Haka on 2026-01-01.

In the Finland Ykkosliigacup 2026 season, Niilo Martikainen scored 0 goals and provided 0 assists across 4 appearances, averaging 0 goals per game with 0 shots attempted and 0 on target.