Ovince Saint Preux (born April 8, 1983) is an American professional mixed martial artist who most notably competed in the light heavyweight division of the UFC.

[9] After two unsuccessful attempts at professional football, Saint Preux gave up the sport and began to take an interest in martial arts as a form of training.

His next match came against Robert Turner which he won by a brutal head kick at XFC 7: School of Hard Knox.

Saint Preux was a runner-up for Inside MMA's Submission of The Year for 2009 with a calf slicer against Ombey Mobley, but was beaten by Toby Imada's reverse triangle.

[11] His debut match came against Chris Hawk at Strikeforce: Nashville, which he won due to TKO (punches) in the first round.

This three-fight series over a seven-week period marked the only time a Strikeforce fighter competed on three successive shows.

In his post-fight interview, Saint Preux asked for either Renato Sobral or Gegard Mousasi as his next opponent.

As a result of the injury, the fight went to the judges' scorecards and Saint Preux won a majority technical decision.

[19] For his second bout with the promotion, Saint Preux faced Cody Donovan on August 17, 2013, at UFC Fight Night 26.

Saint Preux was briefly linked to a bout against Thiago Silva on January 15, 2014, at UFC Fight Night 35.

[23] However, the rescheduled bout was cancelled on February 7, 2014, after Silva was arrested by Florida police on attempted murder charges.

[24] Saint Preux instead fought Nikita Krylov at the event, winning in the first round with a Von Flue choke.

[27] He won the fight in the second round when Jimmo verbally submitted due to a broken arm as a result of blocking one of Saint Preux's kicks.

[28] Saint Preux faced Ryan Bader on August 16, 2014, in the main event at UFC Fight Night 47.

[30] Saint Preux was expected to face Rafael Cavalcante on November 8, 2014, at UFC Fight Night 56.

[32] However, on October 29, it was announced that Saint Preux would step up to replace an injured Jimi Manuwa in the main event against Maurício Rua.

[42] Saint Preux was tabbed as a short notice injury replacement to face Jon Jones for the interim light heavyweight title on April 23, 2016, at UFC 197 filling in for Daniel Cormier.

[50][51] Saint Preux faced Marcos Rogério de Lima on April 22, 2017, at UFC Fight Night 108.

[55] Saint Preux won the fight via Von Flue choke in the first round, marking his third win via this submission.

[57] Saint Preux stepped in to replace Patrick Cummins in a fight against Corey Anderson on November 4, 2017, at UFC 217.

[80] Saint Preux was suspended for three months by USADA for tested positive for Ostarine and S-23, the family of selective androgen receptor modulators (SARMs), where the prohibited subsistence was found from a tainted supplement.

Saint Preux moved up to the heavyweight division and faced Ben Rothwell at the UFC Fight Night: Smith vs. Teixeira on May 13, 2020.

[88] However, Gamzatov was forced to pull from the event due to COVID-19 pandemic travel restriction[83] The match was rescheduled on August 22, 2020, at UFC on ESPN 15.

[90] Just hours before the event was scheduled to begin, it was announced that the bout was canceled due to Saint Preux testing positive for COVID-19.

[97] Saint Preux was scheduled to face Maxim Grishin on June 26, 2021, at UFC Fight Night 190.

[99] In the second round, Saint Preux secured a takedown, but Boser appeared to use the fence in order to assist himself back to his feet, with the referee giving him a warning.

[110] In turn, Lins withdrew from the bout due to an undisclosed reason and was replaced by UFC newcomer Antonio Trocoli.

[117] In June 2023, Saint Preux was suspended for six months by USADA after testing positive for Dehydroandrosterone resulting from tainted supplements.

[120] Saint Preux was scheduled to face Ryan Spann on September 7, 2024 at UFC Fight Night 242.

[121] However, Saint Preux withdrew from the fight due to an illness and the bout was moved to UFC 307 on October 5, 2024 as a result.