John Lawrence Didion (October 24, 1947 – December 10, 2013) was an American football player, a Center in the National Football League for the Washington Redskins and New Orleans Saints from 1969 to 1974.
Born and raised in Woodland, California, Didion played college football at Oregon State University under head coach Dee Andros and was a consensus All-American.
Selected in the seventh round of the 1969 NFL/AFL Draft, Didion played his first two seasons in the NFL for the Redskins under head coaches Vince Lombardi and Bill Austin. He was traded in January 1971 by new head coach George Allen to the Saints in the deal which brought quarterback Billy Kilmer to the "Over the Hill Gang."
From 1998 to 2010, Didion was the sheriff of Pacific County, Washington.
Didion died at age 66 in Portland, Oregon.