Armstrong Frederick "Klondike" Smith (January 4, 1887 – November 15, 1959) was an English born Major League Baseball outfielder.
He started the last seven games of the 1912 season for the New York Highlanders, who were 50–102 and finished in last place in the American League.
Smith made his major league debut in a September 28 double-header against the Philadelphia Athletics at Shibe Park.
His last appearance was on October 5 in a home game against the Washington Senators at Hilltop Park.
Smith died at the age of 72 of a heart attack while visiting friends in Springfield, Massachusetts.