James Douglas Henderson (January 2, 1927 – June 29, 2020) was a politician from Alberta, Canada.
[1] He served in the Legislative Assembly of Alberta from 1963 to 1975, first as a member of the Social Credit Party and later as an independent.
[2] He first ran for a seat to the Alberta Legislature in the 1963 general election as the Social Credit candidate in the electoral district of Leduc.
He defeated five other candidates, including incumbent Ronald Ansley, an independent Social Crediter, and Edmonton councillor Ron Hayter, a Liberal.
Henderson won the seat by a narrow margin over Progressive Conservative candidate Emanuel Pyrcz.