Break in

Break in or break-in may refer to:


 * Burglary, the criminal act of entering a building to commit an offense, usually theft
 * Break-in (mechanical run-in), a procedure for preparing new equipment (such as vehicle engines) for the rest of its working life by running it under prescribed conditions at the beginning
 * Trespass, the act of intruding another's property
 * Break In, a 1989 Japanese video game
 * Break-in (Death Note episode)
 * Break-in (film), a 1927 German film
 * Break-in, a type of novelty record using samples of popular music, developed by producer Dickie Goodman