Donald Laing (May 24, 1883[1] – 1975[2]) was a Scottish-born farmer and political figure in Saskatchewan.
He represented Kerrobert from 1926 to 1929 and from 1934 to 1938 and Kerrobert-Kindersley from 1938 to 1944 in the Legislative Assembly of Saskatchewan as a Liberal.
He was born in Nairnshire, the son of Donald Laing and Ann Fraser, and was educated in Ardersier.
He was first elected to the provincial assembly in a 1926 by-election held after John Albert Dowd resigned his seat.
He was defeated by John Wellbelove when he ran for reelection in 1944.