John Cecil Clay, 1875–1930, was an American illustrator known for genre and caricature paintings.
Clay was born in Ronceverte, West Virginia to a long-time Southern family.
He was a student of Henry Siddons Mowbray at the Art Students League of New York and had a graphic style that was suited to illustration.
A recurring subject was pretty young women.
He was a member of Society of Illustrators and was represented at the St. Louis Exposition-World's Fair 1904.