Dustin Kirby (born December 12, 1984, in Mentor, Ohio) is an American association football defender who is known for playing for Real Salt Lake.
As a member of the 2003 Ohio North State Team, he was named to the Region II pool.
He spent the 2004 collegiate offseason with the Cleveland Internationals in the USL Premier Development League.
When the 2007 MLS Superdraft came along, Kirby was not initially selected, but he was taken later on, in the 4th round of the supplemental draft, by Real Salt Lake.
In two seasons with the club, Kirby made two league appearances, as well as playing in an exhibition match against the national team of Fiji.