Frank Ogilvie Horton (October 18, 1882 – August 17, 1948) was a United States representative from Wyoming.

Born in Muscatine, Iowa, he attended the public schools, graduated from Morgan Park Military Academy (in Illinois) in 1899 and from the University of Chicago in 1903.

During the Spanish–American War he served as a private in Company C, Fiftieth Iowa Regiment in 1898; he moved to Saddlestring, Wyoming, in 1905 and engaged in livestock raising.

He was an unsuccessful candidate for reelection in 1940 to the Seventy-seventh Congress, and resumed his former pursuits in Saddlestring as the Owner and operator of the HF Bar Ranch.

This article about a Wyoming politician is a stub.