UFC Live: Sanchez vs. Kampmann (also known as UFC on Versus 3) was a mixed martial arts event held by the Ultimate Fighting Championship that took place on March 3, 2011, at the KFC Yum! Center in Louisville, Kentucky. The event was broadcast on Versus in the U.S. and Rogers Sportsnet One in Canada. This was the first UFC event to be broadcast in 3D.

This event was the first UFC event hosted in Kentucky.

Matt Brown was expected to face Mark Scanlon at the event, but Scanlon was forced off the card and was to be replaced by Matt Riddle. However, the match was cancelled after Riddle injured his right hand on January 20.

Maiquel Falcao was due to take on Alessio Sakara, but pulled out of the bout due to an injury. Rafael Natal was to step in as his replacement, however on February 12, it was announced that Natal had pulled out of the bout due to a knee injury. Natal was replaced by promotional newcomer and future UFC Middleweight Champion Chris Weidman.

Rousimar Palhares was set to face Alexandre Ferreira. However, on January 18, Ferreira was dismissed from Chute Boxe, his home training camp, citing a "lack of communication." Less than an hour later, it was reported that Ferreira would not be competing after losing family and friends in the Brazilian floods, resulting in him being in "no condition to train or fight." and was replaced by David Branch.

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