Stephen Donald Cummings (born 13 September 1954) is an Australian rock singer-songwriter and writer. He was the lead singer of Melbourne-based rock band the Sports from 1976 to 1981, followed by a solo career which has met with critical acclaim but has had limited commercial success. He has written two novels, Wonderboy (1996) and Stay Away from Lightning Girl (1999), and a memoir, Will It Be Funny Tomorrow, Billy (2009). In 2014 a documentary film, Don't Throw Stones, based on his memoir premiered as part of the Melbourne International Film Festival.