| S/NO | Abbr. | Meaning |
| 1 | BAOC | Bay Area Orienteering Club |
| 2 | BAOC | Barring of All Outgoing Calls |
| 3 | BAOC | Basra Operations Command (US DoD; Iraq) |
| 4 | BAOC | Belarusian Autocephalous Orthodox Church |
| 5 | BAOC | British Army Orienteering Club (UK) |
| 6 | BAOC | Bay Area Optometric Council (San Jose, CA) |