Olga Vladimirovna Smirnova (Russian: Ольга Владимировна Смирнова; born May 11, 1979, in Novocheboksarsk, Soviet Union) is an amateur Russian-born Kazakhstani freestyle wrestler, who played for the women's lightweight category.

Smirnova also added a silver medal from the 2006 Asian Games in Doha, Qatar, and bronze from the 2007 World Wrestling Championships in Baku, Azerbaijan, representing her adopted nation Kazakhstan.

In the early 2000s Smirnova returned to the senior division, and eventually dominated the 51 kg class twice at the European Championships, defeating Sweden's Ida Hellström.

She placed third in the preliminary pool of the women's 55 kg class, after losing out by a grand superiority (3–13) to Canada's Tonya Verbeek, and consequently, by a fall (2–5) to U.S. wrestler Tela O'Connell.

She eventually won the silver medal in the women's 55 kg class at the 2006 Asian Games in Doha, Qatar, losing out to Japanese wrestler and world champion Saori Yoshida.