Tenison or Tennison is a surname. Notable people with the surname include:
Thomas Tenison (1636-1715), Archbishop of Canterbury
Renee Tenison (born 1968), American model and actress
Rosie Tenison (born 1968), American model and actress, identical twin sister of Renee Tenison
Jeni Tennison, OBE Technical Director of the Open Data Institute
Thomas Tenison, built Castle Tenison in 1820s, Keadue, Co. Roscommon, Landowner, father of E.K. Tenison.
Edward King Tenison, died 1878, Lived at Kilronan Castle, Keadue, Co. Roscommon, Irish photographer, landowner etc.
Lady Louisa Tenison, wife of E.K. Tenison, travel writer, and artist.
Fictional characters:
Jane Tennison, chief character in the British TV series Prime Suspect
