Dave Hamelin (born October 3, 1980) is a Canadian musician, songwriter and producer known for his work with indie rock band the Stills. Originally the band's drummer, Hamelin moved to guitar and co-lead vocalist in 2005 when guitarist Greg Paquet left the band.
On March 28, 2009, the Stills were awarded two Juno Awards (Canada's music awards) for their album Oceans Will Rise, in the categories of Best New Group and Best Alternative Album. In 2010, Paquet rejoined and Hamelin moved back to drums. The Stills announced their breakup on April 15, 2011.
In 2009, Hamelin formed the band Eight and a Half with Stills' keyboardist Liam O'Neil and Broken Social Scene drummer Justin Peroff. They released their self-titled debut in 2012.