UFC 23: Ultimate Japan 2 was a mixed martial arts event held by the Ultimate Fighting Championship on November 19, 1999 at Tokyo Bay NK Hall in Tokyo, Japan.
Jason DeLucia | Pedro Rizzo | Pete Williams | Kevin Randleman | Kenichi Yamamoto | Daiju Takase | Joe Slick | Tsuyoshi Kohsaka | Keiichiro Yamamiya | Katsuhisa Fujii | Masutatsu Yano | Eugene Jackson