Philip H. Lathrop, A.S.C. (October 22, 1912 – April 12, 1995) was an American cinematographer noted for his skills with wide screen technology and detailed approach to lighting and camera placement. He spent most of his life in movie studios. Lathrop was known for such films as Touch of Evil (1958), Lonely Are the Brave (1962), The Americanization of Emily (1964), The Cincinnati Kid (1965), Point Blank (1967), Finian's Rainbow (1968), The Traveling Executioner (1970), Portnoy's Complaint (1972), Earthquake (1974), Swashbuckler (1976), The Driver (1978), Moment by Moment (1978), A Change of Seasons (1980), Foolin' Around (1980), Loving Couples (1980), and Deadly Friend (1986).
He was a long-time member of the ASC Board of Directors, as well as co-chairman of the ASC Awards committee. He also participated in the affairs of the Academy of Motion Picture Arts and Sciences and the Academy of Television Arts and Sciences.