
The year 2007 is the 15th year in the history of the Ultimate Fighting Championship (UFC), a mixed martial arts promotion based in the United States. In 2007 the UFC held 19 events beginning with, UFC Fight Night: Evans vs. Salmon.

The year 2007 is the 7th year in the history of World Extreme Cagefighting, a mixed martial arts promotion based in the United States. In 2007 WEC held 7 events beginning with, WEC 25: McCullough vs. Cope.

Art of War Undisputed Arena Fighting Championship: Art of War 3 was the third mixed martial arts event by the mixed martial arts organization Art of War Undisputed Arena Fighting Championship. The event took place on Saturday, September 1, 2007 at the American Airlines Center in Dallas, Texas. The card aired on AXS TV. The television broadcast was produced by Allan Colton, Dustin Hodge, and John Jones.

Cage Fury Fighting Championships (CFFC) is an American mixed martial arts (MMA) promotion primarily operating in the Northeastern United States. Founded by Felix and Amy Martinez, they promoted their first shows in Atlantic City, New Jersey, launching the careers of fighters such as Kimbo Slice. The last-minute cancellation of its sixth event under the ownership of Felix and Amy Martinez in 2007 signaled its temporary demise; however, it resurfaced nearly four years later when Vineland, New Jersey native Robert Haydak Jr. purchased the organization and began promoting shows. Since then Haydak has re-invented the CFFC brand, bringing it to be considered one of the top Regional MMA Promotions in the United States.

SoftBank presents Dynamite!! USA was a mixed martial arts (MMA) event co-promoted by Fighting and Entertainment Group (FEG), the promoters of K-1 kickboxing events and Hero's MMA events, and EliteXC. The event was held on Saturday, June 2, 2007 at the Los Angeles Memorial Coliseum in Los Angeles, California. Mauro Ranallo, Bill Goldberg, and Jay Glazer did commentary.

EliteXC: Destiny was the inaugural mixed martial arts event by the mixed martial arts organization EliteXC. The event took place on Saturday, February 10, 2007 at the DeSoto Civic Center in Southaven, Mississippi. The main card aired on Showtime, with the undercard was streamed live on the Proelite.com website.

EliteXC: Renegade was a mixed martial arts event promoted by EliteXC that took place on Saturday, November 10, 2007 at the American Bank Center in Corpus Christi, Texas. The main card aired live on Showtime.

EliteXC: Uprising was a mixed martial arts event promoted by EliteXC and co-promoted by Icon Sport and Rumble World Entertainment. The event took place on Saturday, September 15, 2007 at the Neal S. Blaisdell Arena in Oahu, Hawaii.

K-1 PREMIUM 2007 Dynamite!! was an annual kickboxing and mixed martial arts event held by K-1 and Hero's on New Year's Eve, Monday December 31, 2007 at the Kyocera Dome Osaka in Osaka, Japan. It featured 7 HERO'S MMA rules fights, 4 K-1 rules fights, and 4 fights in the K-1 Under 18 Tournament.

Pride 33: The Second Coming was a mixed martial arts event held by Pride Fighting Championships on February 24, 2007 at the Thomas & Mack Center in Las Vegas, Nevada.

Pride 34: Kamikaze was a mixed martial arts event held by Pride Fighting Championships on April 8, 2007 at the Saitama Super Arena in Saitama, Japan.

Strikeforce: Four Men Enter, One Man Survives was a mixed martial arts event held at the HP Pavilion in San Jose, California on November 16, 2007. The event was hosted by Strikeforce in conjunction with bodogFight, and was streamed live on Yahoo! Sports. The event held two distinctions in that: 1) it contained the first MMA tournament sanctioned by the California State Athletic Commission and 2) Strikeforce's heavyweight champion was determined during the event in a non-tournament fight.

Strikeforce: Playboy Mansion was a mixed martial arts event promoted by Strikeforce. The event took place on September 29, 2007 at the Playboy Mansion in Los Angeles, California. The invitation-only event drew nearly 1,000 spectators who paid $1000 per ticket. The event was supervised by the California State Athletic Commission. Fights 5 to 12 were streamed live on Yahoo Sports for free.

Strikeforce: Shamrock vs. Baroni was a mixed martial arts event co-promoted by Strikeforce and EliteXC. The event took place on Friday, June 22, 2007 at the HP Pavilion in San Jose, California. The main card aired on pay-per-view, with the undercard streamed live on ProElite.com. The PPV event was rebroadcast on the Showtime premium cable channel on June 30, 2007.

Strikeforce: Young Guns was a mixed martial arts event.

UFC 67: All or Nothing was a mixed martial arts event held by Ultimate Fighting Championship. The event was held Saturday, February 3, 2007 at the Mandalay Bay Events Center on the Las Vegas Strip in Nevada. It was also the first UFC pay-per-view broadcast in High-Definition.

UFC 68: The Uprising was a mixed martial arts event held by the Ultimate Fighting Championship on March 3, 2007 at the Nationwide Arena in Columbus, Ohio.

UFC 69: Shootout was a mixed martial arts event held by the Ultimate Fighting Championship on Saturday, April 7, 2007 at the Toyota Center in Houston, Texas.

UFC 70: Nations Collide was the second UFC event held in the United Kingdom, and the first in Manchester on Saturday, April 21, 2007. UFC 70 was also only the seventh UFC event held outside the United States, and the first since UFC 38. The card was broadcast live on pay-per-view in the United Kingdom and Ireland on Setanta Sports.

UFC 71: Liddell vs. Jackson 2 was a mixed martial arts event held by the Ultimate Fighting Championship. The event took place on Saturday, May 26, 2007 at the MGM Grand Garden Arena in Las Vegas, Nevada.

UFC 72: Victory was a mixed martial arts event held by the Ultimate Fighting Championship. The event took place Saturday, 16 June 2007 at The Odyssey in Belfast, Northern Ireland.

UFC 73: Stacked was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC). It took place on July 7, 2007 at the ARCO Arena in Sacramento, California and featured a total of nine bouts: four on the preliminary card and five on the main card.

UFC 74: Respect was a mixed martial arts pay-per-view event held by the Ultimate Fighting Championship on August 25, 2007 at the Mandalay Bay Events Center in Las Vegas, Nevada.

UFC 75: Champion vs. Champion was a mixed martial arts event held by the Ultimate Fighting Championship. The event was held September 8, 2007 at The O2 in London, United Kingdom.

UFC 76: Knockout was a mixed martial arts (MMA) pay-per-view event held by the Ultimate Fighting Championship. The event took place on September 22, 2007, at the Honda Center in Anaheim, California. Although the event was advertised with the subtitle Knockout, the entire card produced no knockouts whatsoever.

UFC 77: Hostile Territory was a mixed martial arts event held by the Ultimate Fighting Championship (UFC). The event took place on Saturday, October 20, 2007 at the U.S. Bank Arena in Cincinnati, Ohio.

UFC 78: Validation was a mixed martial arts event held by the Ultimate Fighting Championship (UFC), that took place on November 17, 2007 at the Prudential Center in Newark, New Jersey. Validation was the first UFC event held in New Jersey since June 4, 2005's UFC 53: Heavy Hitters in Atlantic City.

UFC 79: Nemesis was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC), that took place on December 29, 2007 at the Mandalay Bay Events Center in Las Vegas, Nevada.

UFC Fight Night: Evans vs. Salmon was a mixed martial arts event held by the Ultimate Fighting Championship on January 25, 2007 at the Seminole Hard Rock Hotel and Casino in Hollywood, Florida. It was broadcast live in the United States and Canada on Spike TV.

UFC Fight Night: Stout vs. Fisher was a mixed martial arts event held by the Ultimate Fighting Championship on Tuesday, June 12, 2007 at the Seminole Hard Rock Hotel and Casino in Hollywood, Florida.

UFC Fight Night: Thomas vs. Florian was a mixed martial arts (MMA) event held by the Ultimate Fighting Championship (UFC) on Wednesday, September 19, 2007 at the Palms Casino Resort in Las Vegas, Nevada. It was broadcast live in the United States and Canada on Spike TV as a lead-in to the debut of The Ultimate Fighter 6.

WEC 25: McCullough vs. Cope was the first mixed martial arts event held by the World Extreme Cagefighting under Zuffa management. The event was held on January 20, 2007. WEC 25's main event was a championship fight for the vacant WEC Lightweight Title, between rivals Rob McCullough and Kit Cope. The co-main event was a WEC Featherweight Title bout between champion, Urijah Faber and challenger Joe Pearson.

WEC 27: Marshall vs. McElfresh was the third mixed martial arts event held by the World Extreme Cagefighting under Zuffa management. The event was held on May 12, 2007.

WEC 28: Faber vs. Farrar was the fourth mixed martial arts event held by the World Extreme Cagefighting under Zuffa management. The event was held on June 3, 2007. WEC 28 was the first WEC to be aired live on the Versus Network. The main event was a Featherweight title defense by WEC Featherweight champion, Urijah Faber.

WEC 29: Condit vs. Larson was a mixed martial arts event held by World Extreme Cagefighting. The event took place on Sunday, August 5, 2007 at the Hard Rock Hotel and Casino in Las Vegas, Nevada. The event aired live on the Versus Network.

WEC 30: McCullough vs. Crunkilton was a mixed martial arts (MMA) event held by World Extreme Cagefighting (WEC). The event took place on Wednesday, September 5, 2007 at the Hard Rock Hotel and Casino in Las Vegas, Nevada and aired live on the Versus Network.

WEC 31: Faber vs. Curran was a mixed martial arts (MMA) event held by World Extreme Cagefighting (WEC). The event took place on Wednesday, December 12, 2007 at the Hard Rock Hotel and Casino in Las Vegas, Nevada and was aired live on the Versus Network.

Yarennoka! was a mixed martial arts (MMA) event that took place on December 31, 2007 at the Saitama Super Arena in Tokyo, Japan. The event was promoted by the Yarennoka! Executive Committee, composed of former Pride Fighting Championships executives, and held in association with Fighting and Entertainment Group, DEEP, and M-1 Global. The event aired on HDNet and was billed as "Fedor Returns" in the United States; while it was shown on SKY Perfect, a Japanese pay per view network.