HMHS may refer to: Humana Military Healthcare Services, an American military health care provider Her or His Majesty's Hospital Ship, a ship prefix; see List of hospitals and hospital ships of the Royal Navy Schools Haddonfield Memorial High School, Camden County, New Jersey, United States Hanson Memorial High School, Franklin, Louisiana, United States Harvey Milk High School, New York City, United States Hercules Middle/High School, Hercules, California, United States