Bomberman Online is a multiplayer video game developed for the Dreamcast console platform. The game is part of the Bomberman franchise and includes various multiplayer game modes. The game's online servers were shut down in 2003, restricting players to offline-only multiplayer modes.

The gameplay of Bomberman Online consists of combat in a maze, using stationary timed explosives to attack and cause destruction to the map. Bomberman Online has multiple game modes:

The original Bomberman battle mode in which the last player standing wins. This mode is played when fighting against the Electric Dragons. The boss of this stadium is Thunder Bomber.

Bomberman enters the Bomblympics to retain his title as the hero of Planet Bomber. The Bomblympics pit its combatants in a series of trials against one another, with six contestants – Bomberman being one of them. The contestants must make it inside each of the other contestants' designated bases to set up their trials. Each contestant must run through the trials and make it to the contestant's throne room where in a duel they must attempt to defeat one another. The opposing contestants are the Electric Dragons, Red Phoenix, Princess Mariners, Iron Bulldozers and the Storm Giants. Being the current hero of Planet Bomber, Bomberman gets the chance to go first, and he makes his way through each of the other five bases of the other contestants, winning every time. None of the other contestants are ever even given a chance to compete because of Bomberman's skill. In the end, Bomberman wins the Bomblympics and retains his championship title of the hero of Planet Bomber.

According to the review aggregation site Metacritic, Bomberman Online received "generally favorable reviews".