William H. McMaster

William Henry McMaster
United States Senator from South Dakota
In office March 4, 1925 – March 3, 1931
Preceded by	Thomas Sterling
Succeeded by	William J. Bulow
10th Governor of South Dakota
In office January 4, 1921 – January 6, 1925
Lieutenant	Carl Gunderson
Preceded by	Peter Norbeck
Succeeded by	Carl Gunderson
12th Lieutenant Governor of South Dakota
In office January 2, 1917 – January 4, 1921
Governor	Peter Norbeck
Preceded by	Peter Norbeck
Succeeded by	Carl Gunderson
Member of the South Dakota Senate
In office 1913–1916
Member of the South Dakota House of Representatives
In office 1911–1912
Personal details
Born	(1877-05-10)May 10, 1877 Ticonic, Iowa, U.S.
Died	September 14, 1968(1968-09-14) (aged 91) Dixon, Illinois, U.S.
Political party	Republican
Spouse	Harriet Russell
Alma mater	Beloit College
Profession	Banker

William Henry McMaster (May 10, 1877 – September 14, 1968) was an American politician who served as the tenth Governor of South Dakota from 1921 until 1925. A member of the Republican Party, he went on to serve as a member of the United States Senate from South Dakota from 1925 to 1931.