Merrill (surname)
- Aaron S. Merrill, US Navy rear admiral during World War II
- Amanda Merrill, American Democratic member of the New Hampshire Senate
- Ayres Phillips Merrill, American planter and diplomat
- Beverly Ann Merrill, star of The Real Housewives of New Jersey
- Charles E. Merrill, American philanthropist, stockbroker, and co-founder of Merrill Lynch
- Charles E. Merrill Jr., American educator
- Dina Merrill, American actress
- Elmer Drew Merrill, botanist
- Elmer Truesdell Merrill, classical scholar
- Estelle M. H. Merrill, journalist, editor
- Eugene H. Merrill
- Eugene H. Merrill
- Frank Merrill, US Army major general; commander of Merrill's Marauders
- Gary Merrill, American actor
- George F. Merrill, American politician
- George P. Merrill, American chemist, geologist and pedologist, winner of the 1922 J. Lawrence Smith Medal
- Helen Merrill, American Jazz vocalist
- Helen Maud Merrill, American litterateur, poet
- Herbert M. Merrill, New York Socialist assemblyman 1912
- James Merrill, American poet
- James Griswold Merrill, American Congregational minister and university administrator
- Jan Merrill, American middle distance runner
- John Merrill, multiple people
- Kieth Merrill, American filmmaker
- Lewis Merrill, US Army officer in civil war; later fought against KKK.
- Lorenzo Merrill, American politician
- Margaret Manton Merrill, British-American journalist, writer, translator, elocutionist
- Maud A. Merrill, American psychologist
- Monique Merrill, American ski mountaineer
- Nathaniel Merrill, American stage director and opera director
- Orsamus Cook Merrill, American politician
- Paul W. Merrill, American astronomer
- Philip Merrill, American diplomat, publisher, banker, and philanthropist
- Richard B. Merrill, American inventor of Foveon X3 sensor
- Robert Merrill, American operatic baritone singer
- Russel Merrill, US Navy pilot during World War I, and pioneer of aviation in Alaska
- Samuel Merrill, multiple people
- Stephen Merrill, multiple people