Frank Adair Eaton (January 23, 1887 - July 27, 1944) was a Canadian artist active in the newspaper, magazine, and advertising industry. Eaton worked as the rotogravure editor of the New York Tribune, until he left in 1924 when he became vice president of Underwood and Underwood. Then, he worked in the magazine industry from 1926 until 1942, when he was he was art director and managing editor for Stage magazine and then Art Editor at Cue magazine. He became advertising-publicity director for Pathe News in 1942. He married Helen McSweeney on February 2, 1921, with whom he had one child.