Arthur Graeme Slaght (3 May 1877 – 21 January 1964) was a Canadian lawyer and politician.
Slaght served as a Liberal party member of the House of Commons of Canada.
Slaght attended secondary school at Simcoe, then studied at Osgoode Hall Law School.
[1] He unsuccessfully attempted to win a seat in the House of Commons at Timiskaming riding in a by-election on 7 April 1920.
He won the Parry Sound seat in the 1935 federal election and was re-elected there in 1940.