| RHA | Raleigh Housing Authority 
| Others |
| RHA | Read Header Area
| Others |
| RHA | Recombinant Human Albumin
| Others |
| RHA | Rectangular Hybrid Automaton
| Others |
| RHA | Red Hat Academy
| Others |
| RHA | Regional Health Authority
| Others |
| RHA | Registered Holstein Ancestry
| Others |
| RHA | Rehabilitative Housing Authority
| Others |
| RHA | Reid and Heath Acoustics
| Others |
| RHA | Rental Housing Association
| Others |
| RHA | Reproductive Health in Asia
| Others |
| RHA | Research House of Asia
| Others |
| RHA | Residence Hall Assembly
| Others |
| RHA | Residence Hall Assistant
| Others |
| RHA | Residence Hall Association
| Others |
| RHA | Residence Halls
| Others |
| RHA | Residence Halls Association
| Others |
| RHA | Residence Halls of America
| Others |
| RHA | Residence Housing Association
| Others |
| RHA | Resident Hall Association
| Others |
| RHA | Resident Housing Association
| Others |
| RHA | Residential Habilitation Aide
| Others |
| RHA | Residential Housing Association
| Others |
| RHA | Richard Heath and Associates
| Others |
| RHA | Right Hepatic Artery
| Others |
| RHA | Road Haulage Association
| Others |
| RHA | Robin Hood Army
| NGO |
| RHA | Robin Hood's Army
| Others |
| RHA | Rolled Homogeneous Armor
| Others |
| RHA | Rolled homogeneous armour
| Others |
| RHA | Roller Hockey Alliance
| Others |
| RHA | Rolling Herd Average
| Others |
| RHA | Royal Hibernian Academy
| Others |
| RHA | Royal Horse Artillery
| Others |