Stephen John Magnusson (born 13 February 1969) is an Australian guitarist. He is known for his work as an improviser and has worked with the Australian Art Orchestra, and Elixir and Katie Noonan, Charlie Haden, Meshell Ndegeocello, Ricki Lee Jones, Sinead O'Connor, John Cale, Gurrumul Yunupingu, Paul Grabowsky, Vince Jones, Christine Sullivan, Megan Washington, Paul Kelly, Mike Nock, Barney McAll, Enrico Rava and Arthur Blythe among others. In 2013, Magnusson was awarded the Melbourne Prize for Music Outstanding Musician Award.