Reza Madadi (Persian: رضا مددی, (born June 20, 1978) is a retired Iranian-Swedish mixed martial artist who competed in the lightweight division.

Madadi started out as a wrestler at the age of 15, his wrestling career saw some good results, winning the Swedish championship in 2002 and 2003 along with victories in Sweden and other parts of Scandinavia, in both the styles of Greco-Roman and Freestyle.

[6] He was expected to challenge for the title in British top promotion Cage Warriors, against the champion Matt Veach on June 16, 2011.

[14] In his eventual debut, Madadi faced fellow promotional newcomer Yoislandy Izquierdo on April 14, 2012 at UFC on Fuel TV 2.

[31] However, on May 14, 2013, it was announced Madadi pulled out of the bout citing alleged visa issues and was replaced by Jorge Masvidal.

[38][39] Later news came that his opponent would be Efrain Escudero and that the fight would be Madadi's first defense of his Superior Challenge Lightweight title, which he won back in 2011.

[61][62] Madadi got his wish fulfilled in the last minute, as he stepped in on short notice, replacing an injured Mairbek Taisumov, against Joaquim Silva on May 28, 2017 at UFC Fight Night 109.

[2] On July 4, 2017 it was announced that Madadi was set to face Yusup Raisov, who vacated his ACB featherweight title and moved up to lightweight division.

[67] In May 2019, Madadi announced his retirement from competition, stating that he will be concentrating on coaching mixed martial arts.

Swedish tabloid Expressen reported that the fighter and an accomplice broke into a designer handbag store before making off with $150,000 (U.S.) worth of stolen goods.

Madadi and the accomplice were apprehended and faced charges of aggravated theft and abetting larceny, according to Swedish authorities.

[78] An appeal from Madadi was filed on September 5, 2013, and he was released from custody awaiting notice from the Swedish court of law.

[81] In March, 2015 after serving the active time of 14 months, the sentence was completed and Madadi was released from prison.