SummerSlam (1988) (known on-air as SummerSlam 88) was the first annual SummerSlam professional wrestling pay-per-view event. It was produced by the World Wrestling Federation (WWF) and took place on August 29, 1988, in Madison Square Garden, located in New York, New York. The pay-per-view was created to help the company compete against rival promotion World Championship Wrestling (formerly Jim Crockett Promotions). It was one of the first four annual pay-per-view events produced by the WWF, along with WrestleMania, the Royal Rumble, and Survivor Series.
- The British Bulldogs (Davey Boy Smith and Dynamite Kid) vs. The Fabulous Rougeau Brothers (Jacques Rougeau and Raymond Rougeau) ended in a time limit draw
- Bad News Brown defeated Ken Patera
- Rick Rude (with Bobby Heenan) defeated Junkyard Dog by disqualification
- The Powers of Pain (The Barbarian and The Warlord) (with The Baron) defeated The Bolsheviks (Boris Zhukov and Nikolai Volkoff) (with Slick)
- The Ultimate Warrior defeated The Honky Tonk Man (c) (with Jimmy Hart) to win the WWE Intercontinental Championship
- Dino Bravo (with Frenchy Martin) defeated Don Muraco
- Demolition (Ax and Smash) (c) (with Mr. Fuji and Jimmy Hart) defeated The Hart Foundation (Bret Hart and Jim Neidhart) to retain the WWE Tag Team Championship
- Big Boss Man (with Slick) defeated Koko B. Ware
- Jake Roberts defeated Hercules
- The Mega Powers (Hulk Hogan and Randy Savage) (with Miss Elizabeth) defeated The Mega Bucks (Ted DiBiase and Andre the Giant) (with Bobby Heenan and Virgil)
