Paul Ruiz (born June 23, 1987) is an American mixed martial artist who last competed in the Bantamweight division of Bellator MMA. A professional competitor since 2010 to 2016, he also competed for Strikeforce and Tachi Palace Fights.
|- | Win | align=center| 7-3 | Christian Buron-Navarro | Decision (split) | Bellator 156 | | align=center| 3 | align=center| 5:00 | Fresno, California, United States |<small>Catchweight (140 lbs) bout.</small> |- | Loss | align=center| 6-3 | Josh San Diego | Decision (unanimous) | Bellator 148 | | align=center| 3 | align=center| 5:00 | Fresno, California, United States | |- | Win | align=center| 6-2 | Nick Sperling | Submission (rear-naked choke) | Bellator 133 | | align=center| 1 | align=center| 0:43 | Fresno, California, United States | |- | Loss | align=center| 5-2 | Joe Neal | Decision (unanimous) | | | align=center| 3 | align=center| 5:00 | Fresno, California, United States | |- | Win | align=center| 5-1 | Ed Tomaselli | TKO (punches) | TWC 19: Blackout | | align=center| 1 | align=center| 1:14 | Porterville, California, United States | |- | Win | align=center| 4-1 | Steven Urias | Decision (unanimous) | UPC Unlimited: Up & Comers 12: Turning Point | | align=center| 3 | align=center| 3:00 | Coarsegold, California, United States | |- | Win | align=center| 3-1 | Ruben Trujillo | TKO (punches) | TPF 13: Unfinished Business | | align=center| 1 | align=center| 1:13 | Lemoore, California, United States |<small>Return to Bantamweight.</small> |- | Loss | align=center| 2-1 | Anthony Figueroa | Decision (unanimous) | TPF 11: Redemption | | align=center| 3 | align=center| 5:00 | Lemoore, California, United States |<small>Flyweight debut.</small> |- | Win | align=center| 2-0 | Caleb Vallotton | Decision (unanimous) | UPC Unlimited: Up & Comers 4 | | align=center| 3 | align=center| 5:00 | Madera, California, United States | |- | Win | align=center| 1-0 | Jesus Castro | TKO (punches) | Bellator XXXV | | align=center| 1 | align=center| 1:17 | Lemoore, California, United States |
|- | Win | align=center| 2-0 | Gregg Baker | Submission (Armbar) | Strikeforce Challengers: Bowling vs. Voelker | | align=center| 1 | align=center| 1:23 | Fresno, California, United States | |- | Win | align=center| 1-0 | John Chacon | Decision (Unanimous) | Strikeforce Challengers: Johnson vs. Mahe | | align=center| 3 | align=center| 2:00 | Fresno, California, United States |