Sandra J. "Sandy" Lenz-Jackson (born June 10, 1960 in Rockford, Illinois) is an American former figure skater. She won the bronze medal at the 1980 U.S. Figure Skating Championships and competed at that year's Winter Olympics. She was also the 1977 U.S. junior champion. Lenz was not selected to compete at the 1980 World Championships, but she continued to compete and won the St. Ivel International in England in the fall of 1980. She then retired in 1981 due to injuries. She was coached by Evy and Mary Scotvold.