Dr Alexander Ritchie Scott FRSE (1874–27 November 1962) was a 20th-century Scottish mathematician and statistician.
He then spent some time in the Challenger Expedition Office in Edinburgh, doing statistical analysis.
He then spent a year as Assistant Registrar at the University of the Cape of Good Hope in South Africa.
Returning to the UK in 1909 he became Principal of the Beaufoy Institute in London where he remained for 30 years.
His proposers were David Fowler Lowe, John Brown Clark, Sir Edmund Taylor Whittaker and Cargill Gilston Knott.