| Acronym | Definition |
|---|
| HHMS➣Hammond High Magnet School (Hammond, LA) |
| HHMS➣Hamilton Heights Middle School (Arcadia, IN) |
| HHMS➣Herbert Hoover Middle School |
| HHMS➣Highland Hills Middle School (Georgetown, IN) |
| HHMS➣Hellenic Homeopathic Medical Society (est. 1971; Athens, Greece) |
| HHMS➣Hex-Head Machine Screw (parts lists) |