| Acronym | Definition |
|---|
| ALPHA | Alphabetical |
| ALPHA | Association of Local Public Health Agencies |
| ALPHA | Allies Linked for the Prevention of HIV and AIDS (Boise, ID) |
| ALPHA | Antihydrogen Laser Physics Apparatus (experiment at CERN, Geneva, Switzerland) |
| ALPHA | Academy of Learning through Partnerships for Higher Achievement |
| ALPHA | All Life's Problems Have Answers (help organizations) |
| ALPHA | Advanced Learning Program for High Achievers |
| ALPHA | AMC Logistics Program Hardcore |
| ALPHA | Adolescents Learning Positive Health Alternatives |
| ALPHA | Automatic Literature Processing, Handling & Analysis |