Fred Hoaglin, (born January 28, 1944, in Alliance, Ohio) was a center in the NFL from 1966 to 1976. Graduated from East Palestine High School and University of Pittsburgh. He was a member of the first Seattle Seahawks team after being acquired from Houston in the expansion draft.

Hoaglin was an assistant coach for the Detroit Lions (1978-1984), New York Giants (1985-1992), New England Patriots (1993-1996), and Jacksonville Jaguars (1997-2000). He was an assistant coach for the Giants during their Super Bowl XXV championship season.