Sissoi Veliky (Russian: Сисой Великий) may refer to: St. Sisoes the Great of Egypt, early Christian saint Sissoi Veliky (1788), Russian ship of the line Sissoi Veliky (1822), Russian ship of the line Sissoi Veliky (1849), Russian ship of the line Russian battleship Sissoi Veliky (1896), Russian battleship