Zakhariy Knyazevich Kalashov (Georgian: ზაქარია 'შაქრო' კალაშოვი, Russian: Заха́рий Кня́зевич Калашо́в); born 20 March 1953, nicknamed "Young Shakro" (Шакро Молодой), is a Russian mafia boss, notorious gangster and thief in law of Yazidi origin.

[1][2] According to the United States federal government, Kalashov is a "key member" of the criminal syndicate known as "the Brothers' Circle.

"[3] In June 2005, Spanish authorities launched "Operation Wasp" targeting 30 members of the Brothers' Circle, resulting in the seizure of 800 bank accounts, luxury villas and cars.

[7] In September 2010, a Spanish court approved the extradition of Kalashov back to Georgia, where he had been found guilty in absentia of kidnapping and other crimes and sentenced to 18 years in prison.

He returned to Moscow on 29 October 2014, where he reportedly met with the Criminal Investigation Department of the Russian Ministry of Internal Affairs for a "preventative" meeting before being released.