Zakhary Ivanovich Koshkin (died 1461) was a boyar at the court of Vasili II.
He was the great-grandfather of Anastasia Romanovna, the first wife of Ivan the terrible, and a progenitor of the Romanov dynasty.
The first Romanov Tsar of Russia, Michael I, was a male-line descendant of Zakhary.
Among them, Yuri Zakharyevich Koshkin was the father of Roman Yurievich Zakharyin.
Roman Yurievich Zakharyin was the father of Nikita Romanovich Zakharyin-Yuriev, who in turn was the paternal grandfather of Tsar Michael I.