Vasily Stepanovich Zavoyko (Russian: Василий Степанович Завойко; 5 July 1809 – 16 February 1898) was an admiral in the Russian navy.Born to a noble Ukrainian family of a naval medic hailed from Poltava Governorate, in 1827 he took part in the Battle of Navarino, and in 1835-1838 he twice circumnavigated the Earth. In 1856, Zavoyko returned to Saint Petersburg, where he served as the Naval General-Auditor.