James Henry Dickey Henderson (July 23, 1810 – December 13, 1885) was an American farmer and politician from the state of Oregon.

Born near Salem, Kentucky, Henderson moved to Missouri Territory in 1817 where he attended the public schools.

[1] A strong abolitionist, Henderson decided to leave Missouri, where slavery was allowed, and move to Oregon Territory.

[1][2] Henderson went on to defeat Democrat Colonel James K. Kelly in the general election.

[1] This article incorporates public domain material from the Biographical Directory of the United States Congress