| Henry Barraclough | |
| Birth Name: | Samuel Henry Egerton Barraclough |
| Birth Date: | 25 October 1871 |
| Death Date: | 30 August 1958 |
| Occupation: | Mechanical engineer |
Sir Samuel Henry Egerton Barraclough (25 October 1871 – 30 August 1958) was an Australian mechanical engineer.
He was appointed CBE (military division) in 1919 having served in the Great War, and a year later was appointed to the civil division as a KBE. He was Professor of Mechanical Engineering at the University of Sydney, 1915–1942 and President of the Australian Institution of Engineers (1935–36).