Luke Cornish (born 1979) is an Australian stencil artist, also known under the moniker E.L.K. In 2012, Cornish became the first stencil artist to become a finalist in the prestigious Archibald Prize, the largest portrait award in Australia. Previously, he has awarded the Australian Stencil Art Prize in 2010 (as well as runner-up in 2009), was a finalist for the 2011 Metro Art Award, and a short film based around his journey of entering the Archibald was nominated in Australia's Tropfest Awards.