Guido Martín Cannetti Álvarez (born December 19, 1979)[1] is an Argentine mixed martial artist who currently competes in the Bantamweight division.

[4] Growing up, Guido practised kickboxing and Muay Thai with his brother Bruno, who is also a professional mixed martial artist.

For his next fight, Cannetti moved up to Lightweight division in order to face Cristiano Marcello at the Bitetti Combat 8 event in Brazil.

He was expected to face up David "Escorpión" Ibérico in a Conviction MMA event to be held in Argentina.

Then he defeated Bellator MMA and WEC veteran Rafael Dias in just 11 seconds in a fight that marked his return to Brazil.

[6] As a result, Cannetti moved down to Bantamweight division and begun training at the Jackson's MMA academy at UFC's expense.

[6] While in Albuquerque, he defeated Eliazar Rodriguez in a bout that closed his four-fight winning streak before trying out for The Ultimate Fighter in 2014.

In May 2014, it was revealed that Cannetti was a cast member of The Ultimate Fighter: Latin America, competing for Team Werdum.

[8] Ecuadorian fighter and Team Werdum teammate Marlon Vera was withdrew the tournament after a skin infection and was replaced by Guido Cannetti.

[15] Cannetti was given a 10 month suspension after testing positive for multiple prohibited substances from a contaminated supplement.

[2] Guido and his brother Bruno co-own and teach at their mixed martial arts gym Our Town MMA in Lanús, Argentina.