The Health Physics Society (HPS), formed in 1956, is a scientific organization of professionals who specialize in radiation safety.
Its mission is to support its members in the practice of their profession and to promote excellence in the science and practice of radiation safety.

Today its nearly 5,000 members represent all scientific and technical are as related to radiation safety, including academia, government, medicine, research and development, analytical services, consulting, and industry in all 50 states and the District of Columbia.