An egoist is an adherent of a philosophy of egoism, which may encompass a variety of views on the role of the self as the motivation or goal of one's own action.

Egoist may also refer to:

• An egotist, a person who believes in their own importance or superiority
• An adherent of egoist anarchism
• The Egoist (novel), 1879 novel by George Meredith
• Gli egoisti (1959), by Bonaventura Tecchi, English translation publishes as The Egoists (1964)
• The Egoist (periodical), literary magazine founded by Dora Marsden
• The Egoists, film
• Egoist (band), a band produced by Ryo of Supercell with vocals by Chelly
• "Egoist" (song), a song by Falco
• "Egoist", a song by Kent from their compilation album Best Of
• "Egoist", a song by Loona from their single album Olivia Hye

The word's French cognate Égoïste may refer to:

• Égoïste, a perfume
• Égoïste (magazine), a French magazine