| Acronym | Definition |
|---|
| USOF➣Universal Service Obligation Fund (India) |
| USOF➣United States Orienteering Federation |
| USOF➣United States Oil Fund, LP (est. 2006) |
| USOF➣US Olympic Foundation (Colorado Springs, CO) |
| USOF➣Unisa Sexual Orientation Forum (est. 1997; South Africa) |