OCSB
| Acronym | Definition |
|---|---|
| OCSB | Office of the Cane and Sugar Board (Thailand) |
| OCSB | Orthodox Community of St. Benedict |
| OCSB | Orange County School Board (Florida) |
| OCSB | Ottawa Catholic School Board (Nepean, Ontario, Canada) |
| OCSB | Oswego County Savings Bank (New York) |
| OCSB | Office Connect Sdn. Bhd. (est. 1997; Malaysia) |
| OCSB | Ottawa Carleton School Board (Canada) |
| OCSB | Oklahoma City Symphonic Band |