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Marc-André Barriault (born February 18, 1990) is a Canadian mixed martial arts (MMA) fighter who is currently signed to the Ultimate Fighting Championship's (UFC) Middleweight division. He previously competed with TKO Major League MMA where he won the TKO Middleweight Championship and the TKO Light Heavyweight Championship.
| 28 matches | 17 wins | 10 losses |
| By knockout | 11 | 3 |
| By submission | 1 | 1 |
| By decision | 5 | 6 |
| No contests | 1 | |
| Res. | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes |
| Loss | 17–10 (1) | Sharabutdin Magomedov | Decision (unanimous) | UFC on ABC: Whittaker vs. de Ridder | July 26, 2025 | 3 | 5:00 | Abu Dhabi, United Arab Emirates | Fight of the Night. |
| Win | 17–9 (1) | Bruno Silva | KO (elbows and punches) | UFC 315 | May 10, 2025 | 1 | 1:27 | Montreal, Quebec, Canada | Catchweight (187 lb) bout; Silva missed weight. Performance of the Night. |
| Loss | 16–9 (1) | Dustin Stoltzfus | KO (punches) | UFC Fight Night: Moreno vs. Albazi | November 2, 2024 | 1 | 4:28 | Edmonton, Alberta, Canada | |
| Loss | 16–8 (1) | Joe Pyfer | KO (punches) | UFC 303 | June 29, 2024 | 1 | 1:25 | Las Vegas, Nevada, United States | |
| Loss | 16–7 (1) | Chris Curtis | Decision (split) | UFC 297 | January 20, 2024 | 3 | 5:00 | Toronto, Ontario, Canada | |
| Win | 16–6 (1) | Eryk Anders | Decision (unanimous) | UFC 289 | June 10, 2023 | 3 | 5:00 | Vancouver, British Columbia, Canada | Fight of the Night. |
| Win | 15–6 (1) | Julian Marquez | TKO (punches) | UFC 285 | March 4, 2023 | 2 | 4:12 | Las Vegas, Nevada, United States | |
| Loss | 14–6 (1) | Anthony Hernandez | Technical submission (arm-triangle choke) | UFC Fight Night: Sandhagen vs. Song | September 17, 2022 | 3 | 1:53 | Las Vegas, Nevada, United States | |
| Win | 14–5 (1) | Jordan Wright | Submission (guillotine choke) | UFC Fight Night: Lemos vs. Andrade | April 23, 2022 | 1 | 2:36 | Las Vegas, Nevada, United States | Catchweight (190 lb) bout. |
| Loss | 13–5 (1) | Chidi Njokuani | KO (punches) | UFC Fight Night: Hermansson vs. Strickland | February 5, 2022 | 1 | 0:16 | Las Vegas, Nevada, United States | |
| Win | 13–4 (1) | Dalcha Lungiambula | Decision (unanimous) | UFC Fight Night: Brunson vs. Till | September 4, 2021 | 3 | 5:00 | Las Vegas, Nevada, United States | |
| Win | 12–4 (1) | Abu Azaitar | TKO (punches) | UFC 260 | March 27, 2021 | 3 | 4:56 | Las Vegas, Nevada, United States | |
| NC | 11–4 (1) | Oskar Piechota | NC (overturned) | UFC on ESPN: Blaydes vs. Volkov | June 20, 2020 | 2 | 4:50 | Las Vegas, Nevada, United States | Originally a TKO (punches) win for Barriault; overturned after he tested positive for ostarine. |
| Loss | 11–4 | Park Jun-yong | Decision (unanimous) | UFC Fight Night: Edgar vs. The Korean Zombie | December 21, 2019 | 3 | 5:00 | Busan, South Korea | |
| Loss | 11–3 | Krzysztof Jotko | Decision (split) | UFC 240 | July 27, 2019 | 3 | 5:00 | Edmonton, Alberta, Canada | |
| Loss | 11–2 | Andrew Sanchez | Decision (unanimous) | UFC Fight Night: Iaquinta vs. Cowboy | May 4, 2019 | 3 | 5:00 | Ottawa, Ontario, Canada | Return to Middleweight. |
| Win | 11–1 | Adam Hunter | KO (punches) | TKO 44 | September 21, 2018 | 1 | 4:28 | Québec City, Québec, Canada | Won the vacant TKO Light Heavyweight Championship. |
| Win | 10–1 | Brendan Kornberger | KO (punch) | TKO 43 | May 4, 2018 | 2 | 4:25 | Québec City, Quebec, Canada | Defended the TKO Middleweight Championship. |
| Win | 9–1 | Strahinja Gavrilovic | Decision (split) | TKO 41 | December 8, 2017 | 5 | 5:00 | Montreal, Quebec, Canada | Won the vacant TKO Middleweight Championship. |
| Win | 8–1 | Todd Stoute | Decision (split) | TKO 40 | September 8, 2017 | 3 | 5:00 | Montreal, Quebec, Canada | Light Heavyweight debut. |
| Win | 7–1 | Jo Vallée | TKO (retirement) | TKO 39 | June 16, 2017 | 2 | 5:00 | Quebec City, Quebec, Canada | |
| Win | 6–1 | Yacine Bandaoui | KO (punch) | TKO 38 | April 7, 2017 | 1 | 3:54 | Montreal, Quebec, Canada | |
| Win | 5–1 | Strahinja Gavrilovic | Decision (split) | Hybrid Pro Series 5 | September 15, 2016 | 3 | 5:00 | Montreal, Quebec, Canada | Won the vacant Hybrid Combat Middleweight Championship. |
| Win | 4–1 | Martin Leblanc | TKO (punches) | LAMMQ 5 | May 21, 2016 | 2 | 3:06 | Quebec City, Quebec, Canada | Catchweight (190 lb) bout. |
| Loss | 3–1 | Jo Vallée | Decision (split) | Hybrid Pro Series 4 | September 17, 2015 | 3 | 5:00 | Montreal, Quebec, Canada | |
| Win | 3–0 | James Kouame | TKO (punches) | LAMMQ 4 | June 6, 2015 | 1 | 1:19 | Quebec City, Quebec, Canada | Catchweight (195 lb) bout. |
| Win | 2–0 | James Kouame | KO (punch) | Hybrid Pro Series 2 | November 15, 2014 | 1 | 3:50 | Gatineau, Quebec, Canada | |
| Win | 1–0 | Paul Cressaty | KO (punch) | LAMMQ 3 | June 21, 2014 | 1 | 2:22 | Quebec City, Quebec, Canada | Middleweight debut. |