PHS
- Hammerskins
- Humanist Party of Solidarity (Brazil)
- Norwegian Police University College
- Peninsula Humane Society
- Penncrest High School
- Pennsylvania Horticultural Society
- Perry High School (Georgia)
- Personal Handy-phone System
- Phitsanulok Airport
- Piner High School
- Portland High School (disambiguation)
- Portola High School (Irvine, California)
- Princeton High School (New Jersey)
- Printing Historical Society
- Public Health Scotland
- Public Health Service