John McMullen (October 7, 1843 – April 5, 1922) was a member of the Wisconsin State Senate.
McMullen was born on October 7, 1843, in Kingston, Province of Canada.
[1] He moved to Chilton, Wisconsin, in 1855 and attended the University of Wisconsin-Madison and the University of Michigan.
[2] McMullen was a member of the Senate from the 15th district from 1895 to 1898.
Previously, he was District Attorney of Calumet County, Wisconsin, from 1868 to 1878.