John Riordan may refer to: *

John Riordan (mathematician) John Francis Riordan (April 22, 1903 – August 27, 1988) was an American mathematician and the author of major early works in combinatorics, particularly ''Introduction to Combinatorial Analysis'' and ''Combinatorial Identities''. Biography ...

(1903–1988), American mathematician * John Riordan (banker), American banker, "Oskar Schindler of the Vietnam War" *

John R. Riordan John Richard Riordan, OC (Also known as Jack) (born September 2, 1943, in St. Stephen, New Brunswick) is a Canadian biochemist, noted for his research into cystic fibrosis. After acquiring his bachelor's degree in 1966 from the University of Toron ...

(born 1943), Canadian biochemist * John Riordan (businessman), Canadian businessman, owner of Riordon Paper Mills and

The Toronto Mail ''The Toronto Mail'' was a newspaper in Toronto, Ontario which through corporate mergers became first ''The Mail and Empire'', and then ''The Globe and Mail''. The ''Mail'' was founded in 1872 by Thomas Charles Patterson (b. 1836 in Patney, Wi ...

(from 1877 to 1895) * John Riordan (jockey) (1936–2021), New Zealand jockey

See also