Glenn William Ralph (born 12 July 1956) is an English professional golfer.

Since turning 50, Ralph has competed on the European Senior Tour, where he has enjoyed some success.

Having finished 36th on the money list in 2006, and 23rd in 2007, he missed virtually the entire 2008 season having broken his ankle.

He won his first title in 2009 at the Cleveland Golf/Srixon Scottish Senior Open.

European Senior Tour playoff record (0–1) Note: Ralph only played in The Open Championship.