Mario Bros.

Mario Bros. may refer to:
 * Mario Bros., the arcade game released before the Super Mario Bros. NES title.
 * Mario Bros., the Game & Watch title which featured Mario and Luigi working together in a factory. It was later re-created for Game & Watch Gallery 3 and Game & Watch Gallery 4.
 * Mario Bros., a stage in Super Smash Bros. Brawl and Super Smash Bros. Ultimate.
 * Mario Brothers, a microgame from WarioWare: Twisted!
 * Mario Bros., a microgame in WarioWare: D.I.Y. Showcase.
 * Mario Bros., a microgame in WarioWare Gold.
 * Mario and Luigi, collectively referred to as the "Mario Bros."