Sir Henry Lumley Drayton (April 27, 1869 - August 28, 1950) was a Canadian politician.
Born in Kingston, Ontario, he was first elected to the Canadian House of Commons from Kingston, Ontario in 1919 and served as Minister of Finance under both Sir Robert Borden and Arthur Meighen until the Conservative's defeat in the 1921 general election though Drayton kept his seat in parliament. In 1927 he was a candidate at the Conservative leadership convention and finished in last place. Drayton retired from politics in 1928.
He attempted to return in the 1945 election from a seat in Victoria, British Columbia, but lost narrowly to the Liberal candidate.