Lanskoy is a surname. Notable people with the surname include:
Alexander Lanskoy (1758-1784), Russian general, favourite and lover of Catherine the Great André Lanskoy (1902–1976), Russian painter and printmaker Michel Lanskoy, French table tennis player Sergey Stepanovich Lanskoy (1787-1862), Russian statesman Vasily Lanskoy (1754–1831), Russian statesman and politician