Wilson Reis (born January 6, 1985) is a Brazilian mixed martial artist who competes in the Flyweight division.

Reis also appeared as an assistant Jiu-Jitsu coach in Dominick Cruz's team on The Ultimate Fighter: Live.

He previously taught Brazilian jiu-jitsu and No-gi at Tri-State Martial Arts Academy in Levittown, Pennsylvania.

In September 2008, Reis defeated Abel Cullum to win the vacant EliteXC Bantamweight Championship.

[5] Wilson Reis defeated Henry Martinez on April 10, 2009, at Bellator 2 in the first round of the Featherweight Tournament.

Reis was scheduled to make his Japanese debut for World Victory Road at Sengoku 12 on March 7, 2010.

In the quarterfinals, he faced Eduardo Dantas at Bellator 51, losing by second-round KO (flying knee and punches).

After losing two consecutive fights in a row, Reis has been released from the Bellator promotion along with Dan Hornbuckle.

[10] On December 8, 2012, Reis fought for Europe's top organization Cage Warriors and defeated Owen Roddy by third-round submission in one of the fights of the year in Glasgow, Scotland.

[16] Reis was briefly linked to a bout with Pedro Munhoz on May 31, 2014, at The Ultimate Fighter Brazil 3 Finale.

[27] Reis was expected to face current Flyweight Champion Demetrious Johnson on July 30, 2016, at UFC 201.

[35] Reis faced Henry Cejudo on September 9, 2017 at UFC 215[36] He lost the fight via TKO in the second round.

[45] As the first bout after his release from the UFC, Reis faced Carlos Briseño at Budo Sento Championship 1 on November 14, 2020.

[46] Reis was knocked out in 16 seconds in a bout with Donny Matos at the Budo Sento Championship 2 in Mexico on April 10, 2021.

[52] Reis faced Tuomas Grönvall on December 31, 2022, at Cage Warriors 148, winning the bout via unanimous decision.

[53] Reis faced Johnny Campbell on March 3, 2023 at Cage Warriors 148, winning the bout via rear-naked choke in the third round.

[54] Reis faced Trevin Jones on September 8, 2023 at Cage Warriors 159, losing the bout via split decision.

On August 6, 2023 Reis won gold in the master 1 no gi lightweight division at the IBJJF San Diego Spring Open 2023.