Jon Gary Grubbs (born November 14, 1949) is an American character actor who has appeared in 178 credited shows and films since the 1970s and is still working steadily.

His best known roles include attorney Al Oser in Oliver Stone's JFK, boatyard owner Phil Beasley in Gone Fishin', Timothy McReady in Double Take, Coach Ralph Miller in Glory Road, the Chief of Police in Bad Lieutenant: Port of Call New Orleans, and Dr. Kemp Clark in Parkland.

He appeared as George Russell on The Wonderful World of Disney's 1988 miniseries "Davy Crockett: Rainbow in the Thunder" starring Tim Dunigan.

He also played Cal Stephens, a car dealer who sold Al Bundy a lemon, on Married... with Children.

Grubbs also made a cameo on a few episodes of the WB series Angel as Fred's father, Roger Burkle.