Frank James Clair (May 12, 1917 – April 3, 2005) was an American gridiron football player, coach, and executive.

Nicknamed "the Professor" for his ability to recognize and develop talent, he served as a head coach in the Canadian Football League (CFL) with the Toronto Argonauts from 1950 to 1954 and the Ottawa Rough Riders from 1956 to 1969.

Clair ranks third all-time in CFL history with 147 regular season wins and first in postseason victories with 27.

Clair played end for the Ohio State Buckeyes, lettering in 1938, 1939, and 1940.

After retiring from coaching following the 1969 season, became the team's general manager, where they won Grey Cups in 1973 and 1976.