Pride 6 was a mixed martial arts event held by the Pride Fighting Championships. It took place at Yokohama Arena in Yokohama, Japan, on July 4, 1999. The event also featured a karate match between Hiroki Kurosawa and Nobuaki Kakuda. The English language commentary for this event was provided by Stephen Quadros and Bas Rutten.

Egan Inoue vs Carl Ognibene
Ognibene defeated Inoue via unanimous decision.
Fought under the name Carl Malenko

Daijiro Matsui vs Carlos Newton
Newton defeated Matsui via unanimous decision.

Carlos Barreto vs Igor Vovchanchyn
Vovchanchyn defeated Barreto via unanimous decision.

Nobuaki Kakuda vs Japan Hiroki Kurosawa
Kurosawa defeated Kakuda via decision.

Guy Mezger vs Akira Shoji
Shoji defeated Mezger via split decision.

Gary Goodridge vs Japan Naoya Ogawa
Ogawa defeated Goodridge via submission (keylock) at 0:36 of round 2.

Ebenezer Fontes Braga vs Kazushi Sakuraba
Sakuraba defeated Braga via submission (armbar) at 9:23 of round 1.

Mark Kerr vs Japan Nobuhiko Takada
Kerr defeated Takada via submission (kimura) at 3:04 of round 1.