CID

CID can stand for more than one thing.

• The CID is an acronym within the British police force and stands for Criminal Investigation Department. These are effectively the plain-clothes detectives.
• If you are looking for the Spanish knight, then go to: El Cid
• CID is an abbreviation for telephone caller ID

This is a disambiguation page; that is, one that just points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix the link, so that it points to the appropriate page.