Jeffrey Allan Maggert (born February 20, 1964) is an American professional golfer who plays on the PGA Tour Champions.

He withdrew from The Players Championship in 2008 after completing one round, when he learned that his older brother, Barry, had died in a single-engine airplane crash in Gilpin County, Colorado.

Maggert won on his Champions Tour debut in March 2014 at the Mississippi Gulf Resort Classic, becoming the 17th player to do so.

After finishing in a tie at 14-under-par after regulation play, he defeated Kevin Sutherland in sudden-death playoff on the first extra hole with a birdie.

He began the final round tied for the lead with Bernhard Langer, but shot a five-under-par 65 to pull clear of the field and claim the win.

On November 10, 2019, Maggert won the season-ending event on the PGA Tour Champions, the Charles Schwab Cup Championship.