Anatoly Guseinovich Nagiyev (born January 26, 1958 in Angarsk, Irkutsk Oblast - October 28, 1981 in Novocherkassk, Rostov Oblast) was a Soviet serial killer and mass murderer, nicknamed "The Mad One", who killed at least 6 women with severe cruelty between 1979 and 1980.
He also raped at least 30 women over the same period of time and pursued famous Soviet singer Alla Pugacheva in attempt to kill her.