Donald John Smith (June 3, 1887[1] – May 13, 1959) was a Canadian professional ice hockey player.

He was an older brother of ice hockey and lacrosse player Guy Smith.

During a March 6, 1907 FAHL game between Cornwall H/C and the Ottawa Victorias Smith's forward teammate Owen McCourt was struck in the head by one or several opponent sticks and died the following morning of his injuries.

He played in 1910–11 for the Renfrew Creamery Kings before joining the Victoria Aristocrats of the Pacific Coast Hockey Association (PCHA) for a season.

[2] Smith left the league after the 1915–16 NHA season to serve in World War I.