Henry Montgomery may refer to:
Henry Montgomery (bishop) (1847–1932), Anglican bishop and author Henry Montgomery (Liberal politician) (1863–1951), member of parliament for Bridgwater, 1906–1910 Henry Montgomery (American politician) (1858–1917), South Dakota state representative, 1903–1906 Henry Montgomery (minister) (1788–1865), Irish Presbyterian minister Sir Conyngham Montgomery, 1st Baronet (Henry Conyngham Montgomery, 1765–1830), member of parliament for Mitchell, 1807; Donegal, 1808–1812; and Yarmouth, 1812–1816 Sir Henry Conyngham Montgomery, 2nd Baronet (1803–1878), British administrator in India Robert Montgomery (actor) (Henry Montgomery, Jr, 1904–1981), American actor, director, and producer Henry Montgomery, the plaintiff in the 2015 U.S. Supreme Court case of Montgomery v. Louisiana