Leonard Montgomery Ross Dobbin (February 23, 1935–July 9, 2009) was a jazz radio broadcaster and critic. A native of Montreal, Quebec, Canada, Dobbin was involved with many Montreal jazz music events for decades and was active in the jazz community as a broadcaster, radio producer, reviewer and photographer. Dobbin's jazz photographs had four showings in the years prior to his death, and can be found in many magazines and album covers. Dobbin also wrote liner notes for jazz releases. Dobbin also wrote about and reviewed jazz music for the Montreal Mirror, the Montreal Gazette and CODA.