The 1934 Ontario general election was the 19th general election held in the Province of Ontario, Canada. It was held on June 19, 1934, to elect the 19th Legislative Assembly of Ontario ("MLAs").

George Stewart Henry was a farmer, businessman and politician in Ontario, Canada. He served as the tenth premier of Ontario from 1930 to 1934. He had acted as minister of highways while Ontario greatly expanded its highway system. Henry continued the expansion as premier, but his party did not provide relief during the Great Depression and lost the 1934 election.