Renick William Dunlap (October 21, 1872 – March 2, 1945) was an American agriculturalist and politician.

During his college years, Dunlap played for the Ohio State Buckeyes football team.

He was a Republican candidate for the 1910 United States Senate election in Ohio, receiving one vote.

Dunlap became Ohio's 13th Secretary of Agriculture in 1914, resigning in 1916 at Governor Frank B. Willis's request.

Dunlap ran in the 1934 United States House of Representatives elections, again as a Republican, for Ohio's 11th congressional district.