2000 in UFC
The year 2000 was the 8th year in the history of the Ultimate Fighting Championship, a mixed martial arts promotion based in the United States. In 2000 the UFC held 6 events beginning with, UFC 24: First Defense.
Title fights
Debut UFC fighters
The following fighters fought their first UFC fight in 2000:- Aaron Brink
- Adrian Serrano
- Alex Stiebling
- Alexandre Dantas
- Andrei Arlovski
- Ben Earwood
- Bob Cook
- Bobby Hoffman
- Brad Gumm
- Chris Lytle
- CJ Fernandes
- Dave Menne
- David Dodd
- David Velasquez
- Dennis Hallman
- Gan McGee
- Ian Freeman
- Ikuhisa Minowa
- Jeff Monson
- Jermaine Andre
- Joao Roque
- John Alessio
- Josh Barnett
- Koji Oishi
- Lance Gibson
- Marcelo Aguiar
- Mark Hughes
- Matt Lindland
- Murilo Bustamante
- Nate Schroeder
- Renato Sobral
- Sanae Kikuta
- Satoshi Honma
- Scott Adams
- Shonie Carter
- Tedd Williams
- Tiki Ghosn
- Tyrone Roberts
- Yuki Kondo
Events list
| # | Event | Date | Venue | Location | Attendance |
| 033 | Differ Ariake Arena | Tokyo, Japan | 1414 | ||
| 032 | Trump Taj Mahal Casino Resort | Atlantic City, New Jersey, U.S. | rowspan="1 | ||
| 031 | Lakefront Arena | New Orleans, Louisiana, U.S. | rowspan="1 | ||
| 030 | Five Seasons Events Center | Cedar Rapids, Iowa, U.S. | 1100 | ||
| 029 | Yoyogi National Gymnasium | Tokyo, Japan | rowspan="1 | ||
| 028 | Lake Charles Civic Center | Lake Charles, Louisiana, U.S. | rowspan="1 |