F
- Hamilton Fish III, U.S. congressman from New York, 1920-1945. Elected to College Football Hall of Fame
- Hamilton Fish V, American publisher, politician and philanthropist
- Christopher Forbes, American publisher, vice-chairman, Forbes Inc.
- Robert Forbes, publisher, Forbes Life
- Tim Forbes, American publisher
- Peter Hood Ballantine Frelinghuysen, Jr., U.S. representative from New Jersey from 1953 to 1975
- Rodney P. Frelinghuysen, U.S. representative from New Jersey
Read more about this topic: List Of St. Mark's School (Massachusetts) Alumni