Stuart Alexander Henderson (September 19, 1863[1] – February 17, 1945[2]) was a Scottish-born lawyer and political figure in British Columbia.

[3] He was born in Lonmay, Aberdeenshire, the son of William Henderson and Mary Jane Smith.

He came to Ontario with his father in 1872 and was educated in Ottawa, at Toronto University and at Osgoode Hall.

[4] He was known as Canada's Clarence Darrow and a biographer said of him "He is a past master of technicalities and he spends almost as much time studying the committal papers as he does in coaching the witnesses.

[3] Many of his clients were Indians, most famously Simon Gunanoot who, In 1919, Henderson successfully defended against a charge of murder.