| Abbreviation | Definition |
|---|---|
| BOC | Bureau Of Census |
| BOC | Bureau of Conveyances |
| BOC | Bureau Of Customs |
| BOC | Bureau Of the Census |
| BOC | Bureau Of the Sesus |
| BOCA | Bureau Of Consular Affairs |
| BOE | Bureau of Explosives |
| BOEM | Bureau of Ocean Energy Management |
| BOFE | Bureau of Field |
| BOFT | Bureau Of Foreign Trade |
| BOI | Bureau of Insurance |
| BOI | Bureau of Investigations |
| BOLA | Bureau Of Legal Affairs |
| BOLI | Bureau of Labor and Industries |
| BOM | Bureau of Meteorology |
| BOM | Bureau of Meteorology's |
| BOMO | Bureau Of Maintenance and Operations |
| BOP | Bureau Of Prisons |
| BOQ | Bureau Of Quarantine |
| BOS | Bureau of Osteopathic Specialists |