Zavadovsky (feminine: Zavadovskaya) is a Russian-language surname, a Russianized for of the Polish surname Zawadowski, originate from one of the location named Zawadów. An An alternative spelling is Zavadovskiy. Notable people with this surname include: Boris Zavadovsky (1895-1951), Russian physiologist Gennady Zavadovsky, an alleged dead Soviet cosmonaut , second in command of the sloop-of-war Vostok in the First Russian Antarctic Expedition, the namesake of two islands Pyotr Zavadovsky (1739–1812), Cossack and Russian Imperial official, favourite of Catherine the Great Vera Zavadovskaya, Russian courtier, maid of honour to empress Catherine the Great
See also Zavadovskiy Island Zavodovski Island