John David Dunlop (born September 18, 1965, in Ottawa, Ontario) is a Canadian guitarist, composer, producer, recording engineer, and vocalist.

Dunlop was a member, writer, guitarist, and backup singer in the Canadian rock band The Full Nine (Disney's Mammoth Records).

Dave recently co-produced, co-engineered and co-mixed the upcoming (Nov 11 '16) Mascot Records release "Rik Emmett & RESolution9" (Res9), working with Alex Lifeson of Rush, James LaBrie of Dream Theater, and Triumph members Gil Moore and Mike Levine.

Guests on the record include Rik Emmett, Randy Cooke, David Blamires, Paul DeLong, and Don Breithaupt.

Dunlop also owns and operates "Room 9" recording studio in Toronto, Ontario, Canada.