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 (comedy) , a joke which refers to one previously told in a set of jokes including both
Web Callback , a technology that provides telephone callback for websites
In Theater , Film , or other Performing Arts , a follow-up after an Audition , in which directors can further audition candidates for a position or part
