| Acronym | Definition |
|---|
| UCI➣University of California, Irvine |
| UCI➣Union Cycliste Internationale (International Cycling Union) |
| UCI➣United Cinemas International (UK) |
| UCI➣Universal Chess Interface (protocol) |
| UCI➣Uplink Control Information (wireless communications) |
| UCI➣Ultrasonic Contact Impedance (hardness test method) |
| UCI➣Uniform Computer Information |
| UCI➣Universal Content Interface |
| UCI➣Universal Class Installer |
| UCI➣Universal Connector Interface |
| UCI➣Upper Cook Inlet (Alaska) |
| UCI➣Unidad de Cuidados Intensivos |
| UCI➣Unit Compliance Inspection (military) |
| UCI➣Unlawful Command Influence (military justice) |
| UCI➣Urban Coast Institute (Monmouth University; New Jersey) |
| UCI➣Unemployment Compensation Insurance |
| UCI➣Microcurie (unit of radioactivity) |
| UCI➣Unicredito Italiano (Italian banking group) |
| UCI➣University Circle Incorporated (Cleveland, Ohio) |
| UCI➣Union des Constructeurs Immobiliers (French: Union of Builders) |
| UCI➣Utah Correctional Industries |
| UCI➣User-Computer Interface |
| UCI➣Universal Communications Identifier |
| UCI➣Union City, Indiana |
| UCI➣Ultimate Creations, Inc. (various organizations) |
| UCI➣Under Construction Indefinitely |
| UCI➣Unique Client Identifier |
| UCI➣Unclassified Controlled Information |
| UCI➣Unique Consignment Identifier |
| UCI➣United Cycling Institute |
| UCI➣Union Cynologique International |
| UCI➣Urban Consultants, Inc. |
| UCI➣Universal Coolness Index |
| UCI➣Updated Coordinating Instructions |
| UCI➣Unión Corresponsalía Internacional (Guatemala) |