Anfisa Anatolyevna Reztsova, née Romanova, (Russian: Анфи́са Анато́льевна Резцо́ва) (born December 16, 1964 in the village of Yakimets, Gus-Khrustalny District, Vladimir Oblast) is a former Soviet (until 1991) and Russian biathlete and cross country skier who competed in both sports from 1985 to 2000. In Soviet times she trained at Dynamo in Vladimir
She earned a total of five medals in the Winter Olympics, including three golds (1988: cross country 4×5 km, 1992: biathlon 7.5 km, 1994: biathlon 4×7.5 km), one silver (1988: cross country 20 km), and one bronze (1992: biathlon 3×7.5 km). She is notable for performing the feat of being the only person on the planet to win Olympic gold medals in both cross country skiing and biathlon. Another curious fact about her is that she is one of the few sportspersons to win gold at three consecutive Olympics under three different flags, the first being the USSR in 1988, the second - Unified Team in 1992, and the third being the Russian Federation in 1994.
Reztsova also found success at the FIS Nordic World Ski Championships, earning three golds (4×5 km: 1985, 1987, 1999) and two silvers (1987: 5 km, 20 km). She also won one cross country World Cup and seven biathlon World Cups in her career.
She lives in Moscow. She is the mother of biathlete Daria Virolaynen.
In the interview to the Russian ski magazine "Ski sport" she admitted using banned performance-enhancing drugs during 1998-1999 season.