| Oskari Brynolf Reinikainen | |
| Term Start: | 1919 |
| Term End: | 1945 |
| Birth Date: | 1 December 1885 |
Oskari Brynolf Reinikainen (1 December 1885, Parikkala – 12 November 1969) was a Finnish physician and politician. He served as Deputy Minister of Social Affairs from 12 March 1937 to 1 December 1939. Reinikainen was a Member of the Parliament of Finland from 1919 to 1945, representing the Social Democratic Party of Finland (SDP).[1]