UFC on FX: Alves vs. Kampmann (also known as UFC on FX 2) was a mixed martial arts event held live by the Ultimate Fighting Championship on Saturday March 3, 2012 at the Allphones Arena in Sydney, Australia.

UFC on FX: Alves vs. Kampmann was the promotion's 200th event.

The event was the third UFC card to be held in Australia and the second to be televised on FX. Ticket sales for the event were slower than the two previous UFC events held in Australia, UFC 110 and UFC 127. These events led to record ticket-sales, with UFC 110 becoming the second fastest sell-out in UFC history and UFC 127 equaled the fastest sell-out (30 minutes). UFC on FX: Alves vs. Kampmann was the most successful "Fight Night" event in the company's history in terms of box office.

The event also made history by playing host the first ever flyweight fights in UFC history as part of the semifinals for the Flyweight Tournament, the winner of which would be crowned the inaugural UFC Flyweight Champion.

Jared Hamman was expected to face Kyle Noke at this event, but withdrew from the bout due to an injury. Noke instead faced promotional newcomer Andrew Craig.

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