William Constantine Culbertson (November 25, 1825 – May 24, 1906) was a Republican member of the U.S. House of Representatives from Pennsylvania.

William Constantine Culbertson
Portrait of William Constantine Culbertson, US Representative from Pennsylvania
Member of the U.S. House of Representatives from Pennsylvania's 26th district
In office March 4, 1889 – March 3, 1891
Preceded by	Norman Hall
Succeeded by	Matthew Griswold
Personal details
Born	(1825-11-25)November 25, 1825 Edinboro, Pennsylvania
Died	May 24, 1906(1906-05-24) (aged 80)
Political party	Republican

William C. Culbertson was born in Edinboro, Pennsylvania. He attended the common schools of his native town. He was engaged in lumbering on the Allegheny River in Jefferson County, Pennsylvania, and also operated a mill and a factory at Covington, Kentucky. He owned slaves.^[1] He moved to Girard, Pennsylvania, in 1863. He purchased extensive tracts of timberland in Michigan, Wisconsin, and other States, and later became interested in agricultural pursuits in Minnesota and in his native county. He served as president of the Citizens' National Bank of Corry, Pennsylvania.

Culbertson was elected as a Republican to the Fifty-first Congress. He was an unsuccessful candidate for renomination in 1890. He resumed his former business activities and died in Girard in 1906. Interment in Girard Cemetery.