Anthony Ruiz (born November 3, 1977) is an American professional mixed martial artist currently competing in the Light Heavyweight and Middleweight divisions of MMA.

Ruiz began his professional MMA career in February 2003, debuting on Gladiator Challenge show.

Fighting for a variety of California-based MMA promotions, he amassed a record of 13 wins against 9 losses over the first three years of his career.

He fought on both main cards and on their ShoXC shows, earning a record of 2 wins and 4 losses with the company.

Vladimir Putin wired $150,000 to Ruiz after his fight with Alexander Shlemenko at League S-70: Russian Championship Final because he was so impressed with his performance.