Ridley
The taxon authority Ridley may refer to:
- Geoffrey S. Ridley (fl. 1988, G.S.Ridl.), mycologist
- Henry Nicholas Ridley (Ridl.) (1855–1956), English botanist
- Stuart Oliver Ridley (1853–1935), English spongiologist
- Philip Ridley Sharpe (1915–?, Sharpe), botanist