John Charles Brophy (October 8, 1901 – December 26, 1976) was an American labor union organizer and Progressive and Republican politician from Milwaukee, Wisconsin.

Earlier in his career, he was active in the Coke and Gas Worker's union, and was president of the Milwaukee local.

[2] After the war, he attended the Milwaukee Vocational School and worked as a mechanic for aircraft manufacturers and railroads.

Through that work, he became involved in organized labor with the Coke and Gas Worker's union, and ultimately became president of the Milwaukee local.

[5] On the other side of the ticket, the Democratic incumbent, Thaddeus Wasielewski, lost his primary to union organizer Edmund V. Bobrowicz.

After the primary, Bobrowicz was accused of communist ties, and Wasielewski decided to re-enter the race as an independent candidate.

He was chosen to serve on the Republican electoral college slate for the 1952 United States presidential election.