David O'Neil (born 8 May 1965) is an Australian stand-up comedian, actor, bass guitarist, writer, television and radio presenter.
He became a field officer for the Red Cross, giving talks and training sessions, where he first enjoyed public speaking and the opportunity to tell jokes.
In December 2001, he joined then-new radio station Nova 100 in Melbourne, on the top-rating Hughesy, Kate & Dave breakfast show.
He later left in July 2006 for Nova's sister station, Vega 91.5 to co-host the breakfast show Dave and Denise with Shaun Micallef.
In 2007, Ian "Dicko" Dickson and Chrissie Swan joined the show with Denise Scott with Shaun Micallef leaving the station.
Guests on the show have included Colin Lane, Denise Scott, Tom Ballard, Dilruk Jayasinha, Fiona O'Loughlin, Joel Creasey and Cal Wilson.