Marina Kielmann (born 31 January 1968) is a German former competitive figure skater. She is a four-time European Championship medallist (silver in 1992, bronze in 1990, 1991, and 1993), the 1994 Nations Cup champion and a three-time German national champion (1991–93). She competed at two Winter Olympics (1988, 1992) and finished fourth at the 1994 World Figure Skating Championships. She was also a three-time World Championship medallist in roller skating.