Yekaterina Leshcheva-Grigoryeva or Ekaterina Grigorieva (Russian: Екатерина Григорьева; born April 21, 1974, Volgograd) is a Russian sprint athlete. She became the Summer Universiade champion in the 200 metres at the 1997 Games. She reached the European podium at the 2000 European Athletics Indoor Championships, taking the silver medal in the women's 200 m. She was given a two-year ban from competition in 2001.

• List of doping cases in athletics