RFHS
| Acronym | Definition |
|---|---|
| RFHS | Rockport-Fulton High School |
| RFHS | Roaring Fork High School (Carbondale, CO) |
| RFHS | Rock Falls High School (Rock Falls, IL) |
| RFHS | River Falls High School (River Falls, WI) |
| RFHS | Rainbow Flag Health Services (sperm bank; est. 1995; Alameda, CA) |
| RFHS | Rotherham Family History Society (est. 1983; Rotherham, UK) |
| RFHS | Radiant Floor Heating System |