E. Klein Graff

E. Klein Graff (March 1, 1896 – August 18, 1982) was an American politician. He served as a Republican member of the South Dakota House of Representatives.

Life and career
Graff served in the United States Army during World War I. He was a lobbyist.

In 1967, Graff was elected to the South Dakota House of Representatives, representing Minnehaha County, South Dakota, serving until 1968.

Graff died in August 1982 at the Royal C. Johnson Veterans Memorial Hospital, at the age of 86.