John W. Cox (March 14, 1888 – September 8, 1958) was an American politician, farmer, and businessman who served in the Minnesota House of Representatives from 1935 to 1939, representing the 55th legislative district of Minnesota in the 49th and 50th Minnesota Legislatures.

[1][2] Cox was born in Becker, Minnesota, on March 14, 1888.

During his time in office, Cox served on the following committees: Cox chaired the Cooperatives and Cooperation committee during his second term.

His district included representation for the counties of Kanabec, Mille Lacs, and Sherburne.

Outside of the Minnesota Legislature, Cox was a farmer and the owner of a flour mill.