Frederick Creighton Wellman (January 3, 1873, near Kansas City, Missouri – September 3, 1960, Chapel Hill, North Carolina) was an American physician specialising in tropical medicine, scientist, author, playwright, teacher, artist and engineer. As an author, he wrote under the pseudonyms Cyril Kay-Scott and Richard Irving Carson. His colorful life led to the epithet "the Casanova of Tropical Medicine".