Allison A. Dysart (March 22, 1880-December 8, 1962) was a New Brunswick politician, lawyer and judge. He was elected to the provincial legislature in 1917 and served as Speaker from 1921 to 1925 and served briefly as minister of land and mines in 1925 until the defeat of the Liberal government. In 1926 he succeeded Peter J. Veniot as leader of the Liberal party. In 1935 the Liberals returned to power and Dysart became Premier of the province. His government introduced the first Landlord and Tenants Act in 1938 and updated the Labour Relations Act. It attempted to create jobs in the Great Depression through extensive road construction. He led the government to re-election in 1939 and resigned in 1940 to become a county court judge.

Preceded by: Leonard P. D. Tilley 1933-1935

Premier of New Brunswick 1935-1940

Succeeded by: John B. McNair 1940-1952