Jasper Knight has been a finalist eight times in the Archibald Prize from 2005, 2006, 2007, 2009, 2010, 2013, 2019 and 2022. 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 in the Doug Moran National Portrait Prize with a portrait of Australian painter Jeffrey Smart and in 2014 with a portrait of David Griggs. He has been an Archibald Prize subject twice in 2009 and 2013. A portrait of him by Sarah Hendy was a finalist in the 2013 Archibald Prize. In 2021 Knight’s portrait of artist Reko Rennie was accepted into the permanent collection of the National Portrait Gallery. Knight is also in the National Gallery of Australia collection along with most major regional galleries.