Sisojev
Sisojev is a surname of Slavic origin, most commonly found in Russia and other Eastern European countries. The name is believed to be derived from the given name Sisoja, which itself is a variant of the Hebrew name Isaiah, meaning "God is salvation." As a patronymic surname, Sisojev would have originally indicated "son of Sisoja." The distribution of the surname is most concentrated in Russia, particularly in rural areas and among older generations. It is not a particularly rare surname, but neither is it among the most common. Notable individuals bearing the surname Sisojev have contributed to various fields, though no single prominent figure universally defines the name. Variations in spelling may exist due to transliteration from Cyrillic alphabets.