Nadiya Tkachenko

Nadiya Volodymyrivna Tkachenko (Ukrainian: Надія Володимирівна Ткаченко) or Nadezhda Vladimirovna Tkachenko (Russian: Надежда Владимировна Ткаченко) (born 19 September 1948) is a Ukrainian former pentathlete who won gold at the 1980 Olympics. She was born in Kremenchuk, then in the Ukrainian SSR in the Soviet Union, and took up pentathlon aged 18 training at the Vanguard Voluntary Sports Societies of the Soviet Union in Donetsk Oblast. She came second in pentathlon in the Soviet championships of 1971 and 1972, and competed three times for the Soviet Union at the Olympics.