John F. Flanagan (also cited John Flannigan in early records; April 4, 1865–March 28, 1952) was a sculptor who was widely known for his statuary and plaquettes but recognized foremost for his designs of coinage and commemorative medals. Among his best known designs are the obverse (front) and reverse of the United States quarter dollar featuring the profile of George Washington, a coin that has been in continuous circulation with some modifications since 1932.