John Mulder (March 22, 1865December 9, 1941) was a member of the Wisconsin State Assembly.
Mulder was born to Dutch immigrants on March 22, 1865, in New Amsterdam, Wisconsin.[1] He died on December 9, 1941, and is buried in Onalaska, Wisconsin.[2]
Mulder joined the Assembly in 1929. Additionally, he was Treasurer of La Crosse, Wisconsin, as well as an alderman and a member of the La Crosse Board of Education. He was a Republican.