Triplemanía XXVI was a professional wrestling event produced by the Mexican professional wrestling promotion Lucha Libre AAA Worldwide (AAA) or Triple A. It took place on August 25, 2018, in the Arena Ciudad de México in Mexico City, Mexico. This was the seventh consecutive Triplemanía to be held at the arena, and marks the 26th year in a row that AAA had held a Triplemanía show, and the 32nd show held under the Triplemanía banner since 1993. The annual Triplemanía show is AAA's biggest show of the year, serving as the culmination of major storylines and feature wrestlers from all over the world competing in what has been described as AAA's version of WrestleMania or their Super Bowl event.