Robert Glen "Robbie" Lawler is an American mixed martial artist currently signed with the UFC competing in the Welterweight division. Lawler is a former EliteXC Middleweight Champion, and also competed in Strikeforce, Pride FC, the IFL, and King of the Cage. As of March 17, 2014, he is #1 in official UFC Welterweight rankings.
- Born: March 20, 1982 (age 37), San Diego
- Aliases: 'Ruthless' Robbie Lawler, Rob Lawler, Robbie Glen Lawler, Robert Glen "Robbie" Lawler, Ruthless
- Height: 5′ 11″ (1.8m)