John Welbourn (born March 30, 1976) is an American former professional football offensive tackle and guard.

Welbourn attended Palos Verdes High School and Palos Verdes Peninsula High School in Rolling Hills Estates, California where he lettered in football and track.

Welbourn came into the National Football League in 1999 after being selected by the Philadelphia Eagles with the second pick in the fourth round of the 1999 NFL draft.

[7] Welbourn is now the creator and operator of Power Athlete HQ and travels the world lecturing on performance and nutrition.

He has also worked in the same capacity for Naval Special Warfare and the U.S Army,[8][9] teaching performance focused training.