Svetlana Tširkova-Lozovaja, Russian fencer and coach
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.

She received two gold medals in team foil at the Summer Olympics from 1968 and 1972 games.In the 1969 individual competition at the World Championships in Havana, she lost only to Romanian Ileana Gyulai-Drîmbă-Jenei and won bronze medal.She was awarded with Medal For Distinguished Labour (Russian: За трудовое отличие), classified as a Merited Master of Sport of the USSR in 1972 and was classmate to Georgi Zažitski, also 1972 Olympics medalist in fencing.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.As an olympic winner, she is honorary member of the Estonian Olympic Committee.She is a mother of two sons, Eduard "Edik" Ber and Kirill Lozovoi, who are also fencers.In 2006 she received the Estonian Order of the White Star (Third Class) and in 2016 Tallinn City Cross.