• Henry Montgomery (bishop) (1847–1932), father of the 1st Viscount Montgomery of Alamein
• Henry Montgomery (politician) (1864–1951), Member of Parliament for Bridgwater, 1906–1910

See also

• Sir (Henry) Conyngham Montgomery Bt (1765–1830), Member of Parliament for Donegal
  Donegal (UK Parliament constituency)
  Donegal was a UK Parliament constituency in Ireland, returning two Members of Parliament .-Boundaries:This constituency comprised the whole of County Donegal...
  
  , 1808–1812
• Robert Montgomery (actor)
  Robert Montgomery (actor)
  Robert Montgomery was an American actor and director.- Early life :Montgomery was born Henry Montgomery, Jr. in Beacon, New York, then known as "Fishkill Landing", the son of Mary Weed and Henry Montgomery, Sr. His early childhood was one of privilege, since his father was president of the New...
  
  (1904–1981), born Henry Montgomery, Jr