TripleManía XXVI was a professional wrestling event produced and scripted by the Mexican professional wrestling promotion Asistencia Asesoría y Administración (AAA) or Triple A. The event took place on August 25, 2018, and was held in the Arena Ciudad de México in Mexico City, Mexico. It was broadcast on Twitch.tv.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Pre Show Six Man Tag Team match: Astrolux, Dragon Bane & Freelance defeated Aramis, Drastik Boy & Latigo
- Pre Show match: Sammy Guevara defeated ACH, Australian Suicide (c) and Shane Strickland to win the AAA Cruiserweight Championship
- Big Mama & Niño Hamburguesa (c) defeated Angelikal & La Hiedra and Dinastía & Lady Maravilla and El Hijo del Vikingo & Vanilla Vargas to retain the AAA World Mixed Tag Team Championship
- Team ELITE (Bandido & Flamita) defeated Team Impact Wrestling (Andrew Everett & DJ Z), Team ELITE (Golden Magic & Laredo Kid) and Team AAA (Aero Star & Drago) in a AAA World Tag Team Championship #1 Contendership Four Way Ladder match
- Nuevo Poder del Norte (Carta Brava Jr., Mocho Cota Jr. & Tito Santana) defeated Team AAA (Mamba, Maximo & Pimpinela Escarlata) and Team ELITE (Black Tauro, El Hijo de L.A. Park & Puma King)
- Los OGTs (Averno, Chessman & Super Fly) defeated MAD (Jack Evans, Juventud Guerrera & Teddy Hart) in a Lumberjack Six Man Tag Team Match
- Los Mercenarios (El Texano Jr., La Mascara & Rey Escorpión) defeated Joe Líder, Murder Clown & Pagano in a Six Man Tag Team Street Fight
- Lady Shani [Mask] defeated Faby Apache [Hair] in a Lucha de Apuesta Hair vs. Mask Match (12:08)
- Fénix defeated Brian Cage, Jeff Jarrett (c) and Rich Swann to win the AAA World Heavyweight Championship
- LA Park, Pentagon Jr. and Psycho Clown defeated El Hijo del Fantasma in a Lucha de Apuesta Mask vs. Mask Four Way Steel Cage match with LA Park unmasking El Hijo del Fantasma