| Acronym | Definition |
|---|
| CPSB➣Calcasieu Parish School Board (Lake Charles, LA) |
| CPSB➣Compact Packet-Switching Backplane (802.3 Ethernet standard) |
| CPSB➣City Public Service Board |
| CPSB➣China Postal Savings Bank |
| CPSB➣Cameron Parish School Board (Louisiana) |
| CPSB➣Consumer Product Safety Bureau (Canada) |