Yakhontov () is a Russian masculine surname originating from the old Russian word yakhont, which referred to a precious stone such as ruby or sapphire; its feminine counterpart is Yakhontova. It may refer to Alexander Yakhontov (1879–1973), Russian entomologist Sergei Yakhontov (1926–2018), Russian linguist Vladimir Yakhontov (1899–1970), Soviet and Uzbek entomologist
References Ganzhina, I. M. (2001) Словарь современных русских фамилий. Moscow: Astrel. p. 596. .