The Final Showdown was a wrestling event promoted by Ring of Honor. It took place on May 13, 2005 at the Montgomery County Fairgrounds in Dayton, Ohio. The show's name comes from the main event, with Bryan Danielson and Homicide having the fifth match in their "Best of Five" series, a Steel Cage match.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Alex Shelley defeated Roderick Strong
- Matt Sydal defeated The Masked Chicago Superstar
- Jack Evans defeated Delirious, Ebetaroh and Samoa Joe in a Four Corner Survival match
- BJ Whitmer & Jimmy Jacobs defeated the Second City Saints (CM Punk & Ace Steel) to retain the ROH Tag Team Championship
- Jimmy Rave (w/ The Embassy) defeated Matt Sydal
- Colt Cabana & Doug Williams defeated Chad Collyer & Nigel McGuinness
- Austin Aries defeated James Gibson to retain the ROH World Championship
- Bryan Danielson defeated Homicide in a Steel Cage match