Henniker may refer to: Baron Henniker, a barony in County Wicklow, Ireland Henniker baronets John Henniker, 1st Baron Henniker (1724–1803), British Member of Parliament Charles Henniker-Major, 6th Baron Henniker (1872–1956) Henniker, New Hampshire, United States, New England town named for John Henniker Henniker (CDP), New Hampshire, United States, the main village in the town of Henniker