Otto Carl Franz Toepfer (January 13, 1872 – February 17, 1949) was a member of the Wisconsin State Assembly.

Biography Toepfer was born in Middleton, Wisconsin. He died on February 17, 1949.

Career Toepfer was a member of the Assembly from 1939 to 1940. He was a farmer and was involved with agricultural and cattle raising associations. He was a director of a bank and a trust company. He was a Republican. He served on the Madison and Middleton town boards and was also on the Dane County, Wisconsin Board of Supervisors.Wisconsin Blue Book, 1940, Biographical Sketch of Otto F. Toepfer, p. 42.

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