Diego Torresean Nunes (born November 30, 1982) is a Brazilian mixed martial artist.

Nunes' professional career in mixed martial arts began in May 2004, when he defeated Jorge Santos Velho by TKO.

Nunes suffered his first professional loss to LC Davis via unanimous decision at WEC 44.

Nunes next faced Dennis Siver on April 14, 2012 at UFC on Fuel TV: Gustafsson vs.

[17] In his debut, Nunes faced prior title challenger Patricio Freire at Bellator 99 in the Quarterfinals of the season nine featherweight tournament.

He faced Matt Bessette in the quarterfinals at Bellator 110 and lost the back-and-forth fight via split decision.

After an unsuccessful run in Bellator, Nunes faced longtime MMA veteran Joachim Hansen at Superior Challenge 11 for the featherweight title.

After Fight Nights Global Nunes fought Radu Mihaita in Italy-based promotion Magnum FC in July 2017.

In the beginning of December 2017, Nunes fought Michel Ersoy in Swedish promotion Superior Challenge.

Just two weeks after the fight with Ersoy, Nunes fought Corneliu Lascăr in Romania at RXF 29: All Stars and won via guillotine choke.

After amassing a win streak of three in the European circuits, Nunes signed a contract with Rizin Fighting Federation.