| HACU | HealthCare Associates Credit Union 
| Others |
| HACU | High affinity choline uptake
| Others |
| HACU | Hispanic American Colleges And Universities
| Others |
| HACU | Hispanic Associate of Colleges and Universities
| Others |
| HACU | Hispanic Association of Colleges and Universities
| Others |
| HACU | Hispanic Association of Colleges and Universitites
| Others |
| HACU | Hispanic Association of Colleges Universities
| Others |