RIBA
| Acronym | Definition |
|---|---|
| RIBA | Royal Institute of British Architects |
| RIBA | Recombinant Immunoblot Assay |
| RIBA | Ricevuta Bancaria Elettronica (Italian) |
| RIBA | Rhode Island Bar Association (lawyers; Providence, RI) |
| RIBA | Regional Investment Bankers Association |
| RIBA | Raising International Business Awareness (EU project) |
| RIBA | Regional Institution Building Advisor |