Svetlana Tširkova (from 1980, Tširkova-Lozovaja) (Russian: Светлана Михайловна Чиркова-Лозовая) (born November 5, 1945, Tupner, Tsivilsky District, Chuvash ASSR, Soviet Union) is a former Soviet fencer, two-time Olympic champion in foil team competitions and fencing coach in Estonia.

[1] In the 1969 individual competition at the World Championships in Havana, Cuba, she lost only to Romanian Ileana Gyulai-Drîmbă-Jenei and won bronze medal.

[2] She was awarded with Medal "For Distinguished Labour", classified as a Merited Master of Sport of the USSR in 1972.

[3] Living in Estonia since 1950, she graduated from the Pedagogical University of Tallinn in 1973 and was also 5 time fencing champion of the Estonian SSR.

[3] In 2006 she received the Estonian Order of the White Star (Third Class)[7] and in 2016 Tallinn City Cross [et].