Carriage return, often shortened to CR or return, refers to a control character or mechanism used to reset a device's position to the beginning of a line of text.

Originally, the term "carriage return" referred to a mechanism or lever on a typewriter. It was used after typing a line of text and caused the assembly holding the paper (the carriage) to return to the right so the machine was ready to type again on the left side of the paper (assuming a left-to-right language). The lever would also usually advance the paper to the next line. The first power carriage return was added to electric typewriters by Smith Corona in 1960. The key for this was usually labeled "carriage return" or "return". With typewriters like the Selectric, where the type element was moved when typing and the paper held stationary, the key returned the type element to the left and the term "carrier return" was sometimes used for this function.

To improve the keyboard for non-English-speakers, the symbol ↵ (U+21B5) was introduced to mark this key, since this graphic could communicate the action of the key without using words.