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 Schools Portland High School (disambiguation) Portola High School, Irvine, California, US Princeton High School (New Jersey), US Perry High School (Georgia), US 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