UFC 134: Silva vs. Okami was a mixed martial arts (MMA) pay-per-view event held by the Ultimate Fighting Championship on August 27, 2011 at the HSBC Arena in Rio de Janeiro, Brazil. The event was the second that the UFC has hosted in Brazil, since 1998's UFC 17.5: Ultimate Brazil. UFC 134 was awarded the 2011 event of the year by Sherdog.

Farmasi Arena is an indoor multi-purpose arena, located in the region of Barra da Tijuca, in Rio de Janeiro, Brazil. It is one of the indoor arena with largest capacity in the country, with 15,430 people for sports and up to 18,768 for concerts.