PHS may refer to:
Organizations Partido Humanista da Solidariedade (Humanist Party of Solidarity), a Brazilian political party Peninsula Humane Society, for animal welfare in San Mateo County, California, US Pennsylvania Horticultural Society Portuguese Hammerskins, the Portuguese branch of Hammerskins Printing Historical Society, British learned society concerned with the history of printing
Schools Palatine High School, Palatine, Illinois, United States Penncrest High School, Media, Pennsylvania, United States Perry High School (Georgia), United States Piner High School, Santa Rosa, California, United States Portland High School (disambiguation) Portola High School, Irvine, California, United States Princeton High School (New Jersey), United States
Other uses Personal Handy-phone System, an Asian mobile network system Phitsanulok Airport, Thailand, IATA code Politihøyskolen, the Norwegian Police University College Public Health Scotland Public Health Service, US