Check-in (disambiguation)

Check-in or check in may refer to:


 * Check-in - the process of announcing one's arrival at a hotel, airport, sea port or social network service
 * Check In - an album by The Chalets
 * Checking In - an American sitcom (1981).
 * In revision control, putting a file under configuration control, or to write changes to a repository and allow others to use a file
 * Core Protocols Check-in - protocol for sharing your current emotional states with others