Robert "Rob" Rumfeldt (born February 18, 1966 in Windsor, Ontario) is a Canadian curler from Guelph, Ontario. Rumfeldt was a member of the 1996 Ontario provincial championship team, when he played second for . As of 2013, Rumfeldt has played in eight provincial championships. A longtime second, Rumfeldt began skipping his own team for the 2009-10 season. In addition to winning the 1996 provincial men's championship, Rumfeldt has also won the 1994 provincial mixed championship (with Ingram) and the 1994 Silver Tankard.