Alexander Lowson Keillor (20 October 1869 – 16 June 1960) was a Scottish footballer, who played for Montrose, Dundee and Scotland, being capped six times between 1891 and 1897. Born in Dundee, Keillor is one of only two men to be selected for Scotland while playing for Montrose, alongside George Bowman who was a teammate in 1892.