Ronald "J.J." Henry III (born April 2, 1975) is an American professional golfer.
Henry was born in Fairfield, Connecticut. While attending Texas Christian University, he was the individual runner up at the 1998 NCAA Division I Men's Golf Championships and turned pro later that year. He joined the Nationwide Tour in 1999, and after winning the 2000 BUY.COM Knoxville Open moved up to the PGA Tour in 2001. He played steadily in his first five seasons at the elite level without winning any tournaments. His first PGA Tour win came in 2006 at the Buick Championship; he became the first Connecticut golfer to win the event. He played on the 2006 Ryder Cup team.
Henry lives with his wife Lee and his two children in Fort Worth, Texas.