a mythological Greek giant or, according to Webster's Dictionary, "one that is great in size, importance or achievement

Titan is an Avalon Hill fantasy board game for two to six players. Originally published in 1980 it is now out of print. Each player controls an army of mythological creatures such as gargoyles, unicorns, and griffins, led by a single titan.

Titan is the fantasy world where the majority of Steve Jackson and Ian Livingstone's Fighting Fantasy and Sorcery! gamebooks and novels are set. It is also the subject matter of Titan: The Fighting Fantasy World, a guide book written by Marc Gascoigne (though credited to Jackson and Livingstone) in 1986 (ISBN 0-14-032127-6).

Although Titan appears in mythology, this article will instead look at the creature in the Final Fantasy Series.

In the Dungeons & Dragons fantasy role-playing game, a titan is an enormous, powerful, and godly outsider. Though titans are supposedly of both chaotic good and chaotic evil alignments, the majority of them seem to be good, and hence, those are the ones which will be described here. In appearance, a good titan resembles an enormous (25 feet tall) humanoid, with a beauty, strength and impossingness of perfect quality.