- This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.
- Marcus, a Final Fantasy IX character
- Marcus, a Fire Emblem: The Blazing Blade character
- Marcus Flavius Aquila, a character in the novel The Eagle of the Ninth and the movie The Eagle
- Marcus Bell, a Elementary character
- Marcus Cole, a Babylon 5 character
- Marcus Flint, a Harry Potter character
- Marcus Kane, a The 100 character