| Abbreviation | Definition |
|---|---|
| OF | Optional Form |
| OFA | Office of Family Assistance |
| OFA | Office of Finance and Administration |
| OFAC | Office of Financial Accounting Control |
| OFAC | Office of Foreign Assets Control |
| OFBCI | White House Office of Faith-Based and Community Initiatives |
| OFCCP | Office of Federal Contract Compliance Programs |
| OFD | Office of Fuels Development |
| OFD | Oil Field Development |
| OFDA | Office of Foreign Disaster Assistance |
| OFE | Officer Field Education |
| OFEP | Office of Fair Employment Practices |
| OFFICE | Office For Facilitating Interdisciplinary Creative Entrepreneurialism |
| OFFO | Office of Federal Facilities Oversight |
| OFHEO | Office Of Federal Housing Enterprise Oversight |
| OFM | Office of Financial Management |
| OFPP | Office of Federal Procurement Policy |
| OFR | Office of Foreign Relations |
| OFR | Office of the Federal Register |
| OFR | Official Final Rule |