Greatest Royal Rumble se uskutečnilo 27. dubna 2018 v King Abdullah Sports City (Džidda, Saudská Arábie). Na kartě se sešlo deset zápasů.
Réžia: Kevin Dunn
Hrajú: Brock Lesnar, Joe Anoa'i, John Cena, Paul Levesque, Mark Calaway, Miroslav Barňašev, Adam Scherr, Bryan Danielson, Matt Hardy, Windham Rotunda, Chris Jericho, Kurt Angle, Dalip Singh, Jeff Hardy, Yuvraj Dhesi, Stephen Farrelly, Claudio Castagnoli, Allen Jones, Shinsuke Nakamura, Shane McMahon, Jon Huber, Joseph Ruud, Joshua Samuel Fatu, Jonathan Solofa Fatu, Colby Lopez, Fergal Devitt, Mike "The Miz" Mizanin, Joe Seanoa, Thaddeus Bullard, Randy Orton, Jeff Sciullo, Ettore Ewen, Kofi Sarkodie-Mensah, Austin Watson, Rey Mysterio, Tom Pestock, Mark Henry, Bill Morrissey, Johnny Curtis, Dylan Postl, Mattias Clement, Cederick Johnson, Emanuel Rodriguez, Joe Hennig, Jorge Arias, Taylor Rotunda, Dean Muhtadi, Shelton Benjamin, Robert Roode Jr., Kevin Steen, Nick Nemeth, Sesugh Uhaa, Bobby Lashley, Chas Betts, Brian Myers, Dustin Runnels, Chris Lindsey, Ronnie Arniell, Terry Gerin, Heath Miller, Drew Gulak, Anthony Nese, Andrew Hankinson, Daniel Wheeler, David Harwood, Eric Thompson, Ryan Parmeter, Vince McMahon, Paul Heyman, Michael Coulthard, Bryan J. Kelly, Matt Polinsky, Booker Huffman, Jerry Lawler, Levi Cooper