Stuffy is the nickname of:
Hugh Dowding, 1st Baron Dowding (1882-1970), British Royal Air Force air chief marshal
Stuffy McInnis (1890–1960), American Major League Baseball first baseman and manager
Norbert Mueller (1906-1956), Canadian Olympic ice hockey player
Stuffy Stewart (1894–1980), American professional baseball player
Stuffy McStuffins, the dragon toy in Doc McStuffins, an animated children's television series