Alexander Keiller (1 July 1804, Dundee - 27 March 1874 Gothenburg) was a Scottish businessman active in Gothenburg, Sweden. Keiller arrived in Gothenburg in 1825, on account of the Keiller family's timber business in Sweden. Three years later he started a mill for machine spinning of flax and hemp, along with his compatriot . This enterprise was shut down in 1839. He was the father of who in 1906 donated the area around Ramberget to Gothenburg city which here had built .