Callback may refer to:
Callback (comedy), a joke which refers to one previously told Callback (computer programming), callable (i.e. function) that is passed as data and expected to be called by another callable. Callback (telecommunications), the telecommunications event that occurs when the originator of a call is immediately called back in a second call as a response Callback verification, a method for e-mail address verification used in SMTP Web callback, a technology that provides telephone callback for websites Call Back, a 2024 album by Minho Callback, in the performing arts, a stage of the audition process "The Callback", an episode of Smash "Call Back" (Wonder Man), an episode of Wonder Man
See also Caldbeck Callbeck Called Back (disambiguation)