Brett Harrison Stegmaier (born July 2, 1983) is an American professional golfer who currently plays on the PGA Tour.

Stegmaier played for the University of Florida where he was a Southeastern Conference champion and All-American.

[2] Stegmaier's best PGA Tour finish was a tie for 2nd place at the 2015 Shriners Hospitals for Children Open.

[4][5] In July 2023, Stegmaier won the 89th Connecticut Open.

He finished 15-under-par to win by three strokes at Shuttle Meadow Country Club in Kensington, Connecticut.