| Abbreviation | Definition |
|---|---|
| BOS | Bangladesh Orthopaedic Society |
| BOSTA | British Orthodontic Society Technicians Award |
| BPGS | British Plant Gall Society |
| BPHS | Baker Perkins Historical Society |
| BPOS | British Psychosocial Oncology Society |
| BPRS | Black Public Relations Society |
| BPRS | British paediatric respiratory society |
| BPS | Belgian Psychological Society |
| BPS | Belgische Vereniging voor Psychologie |
| BPS | British Pain Society |
| BPS | British Phycological Society |
| BPS | British Psychology Society |
| BPS | Buddhist Publication Society |
| BPS | Socit Belge de Psychologie |
| BPSE | Beethoven Piano Society Of Europe |
| BPSI | Boston Psychoanalytic Society and Institute |
| BPSI | Boston Psychoanalytic Society Institute |
| BRAS | Belgian Regulatory Affairs Society |
| BRAS | Black Rose Acoustic Society |
| BRASA | Brazilian Studies Assocation |