H
- Peter Halley, artist (graduated 1971)
- George Hamlin, tenor; Victor recording artist (1905–1916), Class of 1889
- Julian Hatton, abstract landscape artist, (graduated 1974)
- Brian Henson, President of Jim Henson Productions (graduated 1982)
- Oliver Wendell Holmes, Sr., author (graduated 1825)
- Thomas J. Hudner, Jr., U.S. Navy officer and Medal of Honor recipient (graduated 1943)
- Angela Hur, author (graduated 1998)
- Chris Hughes, co-founder of the social networking site Facebook, Online Technology Guru, Barack Obama Presidential Campaign (graduated 2002)
Read more about this topic: List Of Phillips Academy Alumni