Rey de Reyes 2015 (Spanish for "King of Kings") was a professional wrestling event produced by the Asistencia Asesoría y Administración (AAA) promotion, which took take place on March 15, 2015, at Plaza de Toros Nuevo Progreso in Guadalajara, Jalisco, Mexico. The event is the 19th event produced under the Rey de Reyes name and also the 19th time that the Rey de Reyes tournament was held.
The event featured seven professional wrestling matches with different wrestlers involved in pre-existing scripted feuds, plots and storylines. Wrestlers portray either villains (referred to as "rudos" in Mexico) or fan favorites ("técnicos" in Mexico) as they follow a series of tension-building events, which culminate in a wrestling match or series of matches.
- (c) refers to the champion(s) heading into the match.
- Faby Apache, Mascarita Sagrada & Pimpinela Escarlata defeated Mamba, Mini Abismo Negro & Taya Valkyrie
- El Hijo del Fantasma (w/ Super Fly) (c) defeated Fenix (w/ Drago) to retain the AAA World Cruiserweight Championship
- El Texano Jr. defeated Aero Star, El Mesias & Psycho Clown in a Rey De Reyes 2015 Final Four Way Elimination Match
- El Mesias eliminated Aero Star
- Psycho Clown eliminated El Mesias
- El Texano Jr. eliminated Psycho Clown