Hector J. Pothier (September 26, 1891 – January 7, 1977) was a physician and political figure in Nova Scotia, Canada. He represented Clare in the Nova Scotia House of Assembly from 1963 to 1967 as a Progressive Conservative member.Born in 1891 at Eel Brook, Yarmouth County, Nova Scotia, Pothier was educated at Saint Anne's College and Dalhousie Medical School. A fourth year medical student at the time of the Halifax Explosion, Pothier was called into service to help treat the survivors.