Ron Keslar (born April 17, 1980) is an American former mixed martial artist currently competing in the Welterweight division.
Keslar made his promotional debut against Chris Cope on June 26, 2010, at Strikeforce: Fedor vs. Werdum and lost via TKO in the second round.
He made his return at Strikeforce: Diaz vs. Noons II on October 9, 2010, against Josh McDonald and lost via unanimous decision.
He made his promotional debut on September 20, 2013, at Bellator 100 against Luis Melo and won via split decision.
Keslar faced Rick Hawn in the Bellator Season Nine Welterweight Tournament Final.