Jacob Christopher "Tito" Ortiz is an American mixed martial artist and personality fighting for Bellator MMA. In the MMA world, he is known for his stint with Ultimate Fighting Championship, where he is a former Light Heavyweight Champion, having held the title from April 14, 2000 to September 26, 2003. Along with fighters like Randy Couture and Chuck Liddell, he was one of the sport's early stars. Ortiz ultimately became the biggest pay-per-view draw of 2006 for his fights with Liddell, Forrest Griffin, and Ken Shamrock. Outside of his fighting career, Ortiz is the CEO of the Punishment Athletics MMA equipment and clothing line. He also owns an MMA training gym called Punishment Training Center, which is located in his hometown of Huntington Beach, California. On July 7, 2012, Ortiz became the ninth inductee into the UFC Hall of Fame.
- Born: January 23, 1975 (age 44), Huntington Beach
- Spouse: Kristin Ortiz
- Aliases: Jacob Christopher "Tito" Ortiz, Jacob Christopher Ortiz, Jacob Ortiz, The Huntington Beach Bad Boy, The Lions Den Hunter, The People's Champ
- Children: Jacob Ortiz, Jesse Jameson Ortiz, Journey Jette Ortiz
- Height: 6′ 2″ (1.88m)