Summerslam 2015 se uskutečnil 23. srpna 2015 v Barclays Center (Brooklyn, New York). Na kartě se sešlo deset zápasů.
Režie: Kevin Dunn
Hraje: Brock Lesnar, Mark Calaway, Paul Heyman, Stephen Amell, Cody Runnels, Ben Satterly, Wade Barrett, John Cena, Colby Lopez, Jonathan Good, Stephen Farrelly, Randy Orton, Miroslav Barňašev, Danielle Moinet, Nick Nemeth, C.J. Perry, Paul Wight, Brianna Garcia, Nicole Garcia, Mike "The Miz" Mizanin, Ryan Reeves, Windham Rotunda, Kevin Steen, Victoria Crawford, Claudio Castagnoli, Thaddeus Bullard, Frederick Rosser, Ettore Ewen, Kofi Sarkodie-Mensah, Austin Watson, Taylor Rotunda, Jon Huber, Trinity Fatu, Sarona Snuka, Rebecca Quin, Ashley Fliehr, Stephanie McMahon, Paul Levesque, Joe Anoa'i, Emanuel Rodriguez, Jorge Arias, Amanda Saccomanno, Jerry Lawler, Booker Huffman, Renee Paquette, Lilián García, Mick Foley, Matt Polinsky, Orlando Colón, Michael Coulthard, Tom Hannifan