Henry Plummer (disambiguation)
Henry Plummer was a prospector, lawman, and outlaw in the American West.
Henry Plummer may also refer to:
- Henry Stanley Plummer, internist and endocrinologist who co-founded the Mayo Clinic
- Henry V. Plummer, Baptist preacher and chaplain with the US Army Buffalo soldiers
- H. Vinton Plummer, American lawyer and civil rights activist
- Henry Crozier Keating Plummer, English astronomer
- Henry Waite Plummer, planter, slave-owner and politician in Jamaica