Jasper Knight (born 25 December 1978, Sydney) is an Australian artist. He is the brother of writer and presenter Dominic Knight, and grandson of Sir Harold Knight (economist).
Knight has been a finalist six times in the Archibald Prize from 2005–07, and again in 2009, 2010 and 2013 with portraits were of Richard Gill, Bob Carr, his grandfather Sir Harold Knight, Bill Wright AM, and Adam Cullen respectively, aside from himself. He has been a finalist in the 2005, 2006, 2011 and 2012 Wynne Prize for landscape painting, and the 2013 and 2015 Sir John Sulman Prize. He won the Mosman Art Prize in 2008.
In 2012 Knight was a finalist for the first time in the Doug Moran National Portrait Prize with a portrait of Australian painter Jeffrey Smart and in 2014 with a portrait of David Griggs. A portrait of him by Sarah Hendy was a finalist in the 2013 Archibald Prize.
Knight is the Co-Director of Chalk Horse gallery in Darlinghurst, Ecosse Gallery in Exeter NSW and Future Perfect Gallery at Gillman Barracks in Singapore.