UFC on FX 8: Belfort vs. Rockhold was a mixed martial arts event held on May 18, 2013, at the Arena Jaraguá in Jaraguá do Sul, Brazil. The event was headlined by a middleweight bout between perennial multi-divisional contender Vitor Belfort and the final Strikeforce Middleweight Champion and promotional newcomer and future UFC Middleweight Champion Luke Rockhold.