| Acronym | Definition |
|---|
| CUSA | Conference USA (Collegiate Athletic Conference) |
| CUSA | Carleton University Students Association (Canada) |
| CUSA | Certified Utility Safety Administrator (US National Safety Council) |
| CUSA | Cavitron Ultrasound Surgical Aspirator (vaginal metastases) |
| CUSA | Council of Unions of South Africa |
| CUSA | Constitution of the United States of America |
| CUSA | Chinese Undergraduate Students Association (University of Chicago) |
| CUSA | Corrections USA (prison correctional officer organization) |
| CUSA | Cavitational Ultrasonic Surgical Aspirator (Valleylab, Boulder, Colorado, USA) |
| CUSA | Citizenship USA Program |
| CUSA | Centerville United Soccer Association |
| CUSA | Certified Unix Systems Administrator |
| CUSA | Conservatism, USA |
| CUSA | Concordia University Students' Association (Montreal, Canada) |