Xbox Avatars are avatars and characters that represent users of the Xbox network service on the Xbox 360, Xbox One, and Xbox Series X and Series S video game consoles, Windows 10, and Windows 10 Mobile. Avatars originally debuted on the Xbox 360 as part of the "New Xbox Experience" system update released on November 19, 2008, updated on Xbox One with "New Xbox One Experience" Xbox One System Software on November 12, 2015, and reimagined with the release of the next generation character for Xbox One on October 11, 2018.

In computing, an avatar is a graphical representation of a user, the user's character, or persona. Avatars can be two-dimensional icons in Internet forums and other online communities, where they are also known as profile pictures, userpics, or formerly picons. Alternatively, an avatar can take the form of a three-dimensional model, as used in online worlds and video games, or an imaginary character with no graphical appearance, as in text-based games or worlds such as MUDs.