Cid
# Cid

Cid may refer to:

* Cid (soil)
* Cubic inch (c.i.d., cid), a displacement unit for internal combustion engines
* Cid, a slang term for lysergic acid diethylamide (LSD)
* Content-ID, a URI scheme (cid:) that allows the use of MIME within email

## People

* El Cid (1043–1099), 11th-century Castilian nobleman
* Cid Corman (1924–2004), poet
* Gérald Cid (born 1983), footballer
* Hilda Cid (born 1933), Chilean scientist

### Fictional characters

* Cid (Final Fantasy), character in Final Fantasy video games
* Cid the Dummy, the main protagonist of his eponymous video game
* Cid Scaleback, Trandoshan informant in the 2021 animated series Star Wars: The Bad Batch
