The U.S. promotion's Hall of Fame has four sections. In addition to old-school and new-school fighters, it includes notable personalities and landmark fights.
The 40-year-old St-Pierre is a former UFC middleweight and welterweight champion The Canadian is widely regarded as one of the greatest fighters in MMA history.
St-Pierre fought his last fight in October 2017 and announced his career end in early 2019.
St-Pierre holds a number of significant records, including the most title defenses at welterweight (9), as well as the most wins in the division (19).