Otto Henrik Fredrikson (born 30 November 1981) is a Finnish former football goalkeeper.

Fredrikson's career began in OLS, but he transferred to another Oulu based team Tervarit for seasons 2000–2001.

He made 48 appearances in the Russian league before suffering an injury in international friendly match between Finland and Turkey on 2012.

In the summer of 2015 he signed for Vålerenga on an emergency loan deal because Michael Langer was injured and Lars Hirschfeld is playing Gold Cup for Canada.

After Jussi Jääskeläinen announced his retirement from international football, Fredrikson was the number one choice for Finland.