| Party: | Republican |
| Birth Date: | 7 February 1929 |
| Birth Place: | Milwaukee, Wisconsin |
| Death Place: | Green Bay, Wisconsin |
| Occupation: | Businessman, politician |
Otto Junkermann (February 7, 1929 – July 27, 2016)[1] was an American businessman from Green Bay, Wisconsin, and a former Republican member of the Wisconsin Assembly from the Sixth District (parts of Brown County).[2]
In 2011, he ran as a "fake Democrat" in the Democratic primary against former Brown County Executive Nancy Nusbaum in the preamble to the recall election against Senator Robert Cowles. He lost by a wide margin.[3]