Warren E. Limmer (born January 24, 1955) is a Minnesota politician and member of the Minnesota Senate. A member of the Republican Party of Minnesota, he represents the 34th District, which includes portions of Hennepin County in the northwestern Twin Cities metropolitan area. Limmer previously served in the Minnesota House of Representatives, and in 1998 he sought the Republican endorsement for Minnesota Secretary of State, losing to Mary Kiffmeyer. He was the author of the 2012 Minnesota constitutional amendment to ban gay marriage.