CI

• (roman numeral): ci, LLI, llli

CI

1. The ISO 3166-1 two-letter (alpha-2) code for Côte d'Ivoire.

CI (plural CIs)

1. Initialism of corporate identity: Specific design of a company, to be applied in all public appearances to be clearly distinguishable from its competitors
2. (law enforcement) Initialism of confidential informant.
3. Initialism of cooperating individual.
4. Initialism of civil infraction.
5. (law enforcement) Initialism of chief inspector, a rank used in Commonwealth police forces
6. (baseball) Initialism of corner infielder.
7. Initialism of contextual inquiry.
8. (software engineering) Initialism of continuous integration.
9. (espionage) Initialism of counterintelligence.
10. (statistics) Initialism of confidence interval.

• -ic, IC, I²C

• (Tokyo) シーア​イ [shìíáꜜì] (Nakadaka – [3])
• IPA^(key): [ɕiːa̠i]

CI (katakana シーアイ, rōmaji shīai)

1. Abbreviation of コーポレートアイデンティティ (kōporēto aidentiti, “corporate identity”).

CI m (plural CIs)

1. Initialism of circuito integrado.

CI

1. Coahuila (Mexican state)
2. IQ