Christina Zummack (born January 1971) is a former East German and German long track speed skater, who was active between 1985 and 2001. Zummack represented her nation at four World Sprint Speed Skating Championships for Women and at two World Single Distance Speed Skating Championships. At the sprint world championships she competed in (finishing 17th overall), in (finishing 20th overall), in (finishing 17th overall) and in . At the 1996 World Single Distance Speed Skating Championships she competed in the (13th) and in the (19th). At the 1999 World Single Distance Speed Skating Championships she competed in the (11th). She also competed at other international competitions, including at ISU Speed Skating World Cups.