Trinity is a science fiction roleplaying game published by White Wolf Game Studio in 1997 (and later by the ArtHaus imprint), first in the Trinity Universe series of games (the two others being Aberrant and Adventure!) sharing a common background and developing an alternate history of humanity through two centuries, and allowing players to play almost all genres of science fiction - from comic-book superhero action to cutting edge technothriller, to space opera, to old fashioned pulp standards. The whole game line was discontinued due to low sales in 2001 despite a strong fan support, but recently a d20 system version was released.

Trinity is the main female fictional character in The Matrix universe, played by actress Carrie-Anne Moss in the films The Matrix, The Matrix Reloaded and The Matrix Revolutions and in the film segments of The Matrix: Path of Neo. In the gameplay segments of Path of Neo, she is voiced by Jennifer Hale.

Trinity is an interactive fiction computer game written by Brian Moriarty and published in 1986 by Infocom. It is widely regarded as one of the company's best works. The plot blends historical and fantastic elements as part of a tone poem regarding the destructive power of the atomic bomb and the futile nature of war in the atomic age.

Trinity is a 2001 cult science fiction film. It was written and directed by Gary Boulton-Brown, and stars Tom Mc Camus (as Dr. Clerval), Lucy Akhurst (as Schiller), and Stephen Moyer (as Brach).

Trinity is a fictional character and the name of a DC Comics supervillain.

Trinity was a DC Comics mini-series published in (August - September 1993) to co-incide with an intracompany crossover event. It was written by Gerard Jones, Mark Waid from a plot by Michael Friedman.

Trinity (series) was a DC Comics limited series by writer and artist Matt Wagner. The mini-series showed the first alliance of Batman , Superman, and Wonder Woman.