| Acronym | Definition |
|---|
| PHRF➣Performance Handicap Racing Fleet |
| PHRF➣People's Hurricane Relief Fund (Hurricane Katrina relief) |
| PHRF➣Pacific Handicap Racing Fleet (various locations) |
| PHRF➣Parliamentary Human Rights Foundation (Washington, DC) |
| PHRF➣Perinatal Hypoxia-Related Factors |