UFC 37.5: As Real As It Gets was a mixed martial arts event held by the Ultimate Fighting Championship at the Bellagio Hotel and Casino in Las Vegas, Nevada on June 22, 2002.

The fight card was headlined by a bout between top contenders, returning Vitor Belfort, and Chuck Liddell.

UFC 37.5 was a last-minute event specifically held to promote the UFC on Fox Sports Net's The Best Damn Sports Show Period, where the "best fight" of the night was to air during the BDSSP's "All Star Summer" celebration in June 2002.

[1] It also aired in Free-to-Air television in Brazil for first time at SBT, Vitor Belfort had previously participated at the network's reality show Casa dos Artistas (The House of Artists).

The event featured only six fights, which is a much smaller card than others under the UFC banner at the time, and was not broadcast on Pay-per-view until August 16th.