John Russell Sprague (December 24, 1886 – April 17, 1969) was the Republican county executive of Nassau County, New York from 1938 until 1953.
He also was a delegate to the Republican National Convention in 1936, 1940, 1944, 1948, 1952, and 1956 and part of Republican National Committee from New York during 1940-1948.
Born in Inwood, New York, Sprague was an instrumental politician in Nassau County.
He took center stage in adopting a county charter that created the position of county executive.
In 1938, he was the first person elected to that office.