Ultimate Fight Night 4 was a mixed martial arts event held by the Ultimate Fighting Championship on April 6, 2006.

The event took place at Hard Rock Hotel and Casino, in Las Vegas, Nevada and was broadcast live on Spike TV in the United States and Canada.

The show drew a 1.6 overall rating and served as the lead-in for the season three premiere episode of The Ultimate Fighter.

Stephan Bonnar: $24,000 Luke Cummo: $24,000 Rashad Evans: $24,000 Josh Koscheck: $14,000 Chris Leben: $14,000 Joe Stevenson: $12,000 Josh Neer: $8,000 Jon Fitch: $8,000 Sam Hoger: $7,000 Dan Christison: $6,000 Brad Imes: $6,000 Chael Sonnen: $6,000 Trevor Prangley: $6,000 Jason Von Flue: $5,000 Luigi Fioravanti: $5,000 Keith Jardine: $5,000 Josh Burkman: $5,000 Ansar Chalangov: $2,000 Disclosed Fighter Payroll: $181,000[citation needed]