Alexander Ferguson (February 23, 1860 – March 3, 1925) was a farmer and politician in Ontario, Canada. He represented Cardwell from 1906 to 1908 and Simcoe South from 1908 to 1919 in the Legislative Assembly of Ontario as a Conservative member.He was educated in Collingwood. Ferguson was elected to the Ontario assembly by acclamation in a 1906 by-election held after Edward Alfred Little resigned his seat.He died at Schomberg, Ontario in 1925.