Fedor Andreevich Kobylin, byname "Koshka" ("the Cat"[a]) (Russian: Фёдор Андре́евич Кобылин (Ко́шка)) (died 1407), was the youngest son of Andrei Ivanovich Kobyla and progenitor of the Romanov dynasty and Sheremetev family.
He was a senior boyar in the Duma of Dmitri Donskoi and his son Vasili I of Russia.
According to some sources, Koshka governed Moscow during Dmitry's absence in the Battle of Kulikovo.
His daughters Anna and Akulina married a Prince of Rostov and Prince of Mikulin, while his granddaughter Maria married Yaroslav of Borovsk, father-in-law of Vasili II of Russia.
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