Henry Irwin (disambiguation)

Henry Irwin (1841–1922) was an architect in British India.

Henry Irwin may also refer to:
 * Henry Irwin (Archdeacon of Emly) (1773–1858), Irish Anglican priest
 * Henry Irwin (Archdeacon of Elphin) (died 1880), Irish Anglican priest, son of the above
 * Henry D. Irwin (fl. 1960), American Republican presidential elector
 * Henry Irwin (Canadian politician) (born 1925), MLA in New Brunswick