Forrest Porter "Chubby" Grigg, Jr. (January 10, 1926 – October 10, 1983) was an American football tackle who played seven seasons in the All-America Football Conference (AAFC) and National Football League (NFL) in the 1940s and 1950s. Grigg grew up in Texas and attended the University of Tulsa in Oklahoma. After graduating from college, he joined the AAFC's Buffalo Bisons, where he played for a year.