Cua

Cua can refer to:

*Cúa, a city outside of Caracas, Venezuela
*Cua, a form of Cai (surname), an ethnic Chinese surname.

CUA is a three letter acronym that can refer to:
* Catholic University of America
* Center for Ultracold Atoms, a division of the MIT Physics Department in conjunction with Harvard University
* China United Airlines
** The ICAO airline designator for China United Airlines
* Cost Utility Analysis
* Credit Union Atlantic, the largest credit union in Nova Scotia
* Credit Union Australia, Australia's largest credit union
* In information systems:
** Common User Access, a specification for user-computer interfaces, written by IBM
** Central User Administration of the SAP R/3 enterprise resource planning software
** Centera Universal Access, a software appliance produced by EMC Corporation, that provides access to its Centera product
** Certified Usability Analyst - a Certification administered by Human Factors International