Ollie Mathias Reinikka (born August 2, 1901 in Shuswap, British Columbia) was a professional ice hockey forward. In the 1926–27 season, he played 16 games in the NHL for the New York Rangers.
He played senior hockey in Canmore, Alberta. The Vancouver Maroons signed him as a free agent in 1924 and Reinikka stayed there until the team folded in 1926. He was sold to the New York Rangers but did not score a point in 16 games played for them in 1926-27.
Reinikka played in the minor pros until 1932. In 1934, he began a three-year comeback with the Rossland Miners of the West Kootenay League. He finally retired in 1937.