Thomas Dickson Armour III (born October 8, 1959) is an American professional golfer.

Armour previously held the scoring record for best overall 72 hole score (254), which he set with his Valero Texas Open victory in 2003, until it was surpassed in 2017 by Justin Thomas.

He lost his Tour card in 2006 due to an injury; Armour finished 110th on the 2007 PGA Tour money list, earning his card for 2008.

In 2008, he finished 62nd on the money list to retain his card for 2009 and was the first repeat champion at the Callaway Golf Pebble Beach Invitational.

[3] He made his Champions Tour debut at The ACE Group Classic in February 2010.