Strikeforce: Payback was a mixed martial arts event held on October 3, 2008. The event was produced by Strikeforce and took place at the Broomfield Events Center in Broomfield, Colorado. It marks the first time Strikeforce has held an event in Colorado and the main event featured a rematch between Duane Ludwig and Sammy Morgan.

• Duane Ludwig
• Frank Trigg
• Billy Evangelista
• Falaniko Vitale
• Sammy Morgan
• Donnie Liles
• Pete Spratt
• Luke Caudillo