Kosoy, Kosoi or Cosoi (russian: Косой meaning slanting, oblique, etc.) is a Russian masculine surname, its feminine counterpart is Kosaya. It may refer to
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Feodosy Kosoy (
fl.
''Floruit'' (; abbreviated fl. or occasionally flor.; from Latin for "they flourished") denotes a date or period during which a person was known to have been alive or active. In English, the unabbreviated word may also be used as a noun indicatin ...
1550s), Russian serf-monk
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Stewart Kosoy (1950–2015), American video game designer
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Vasily Kosoy
Vasiliy Yuryevich Kosoy (the Squint) (russian: Василий Юрьевич Косой; ca. 1401–1448) was prince of Zvenigorod from 1421. He continued his father's claim on the title of Grand Prince of Moscow in 1434.
Life
Vasily Kosoy was t ...
(1421–1448), Grand Prince of Moscow
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Vassian Patrikeyev
Vassian Patrikeyev, also known as Vassian Kosoy (''Вассиан Патрикеев'', ''Вассиан Косой'' in Russian; real name – knyaz ''Василий Иванович Патрикеев'', or Vasili Ivanovich Patrikeyev) (c. 1470 ...
(Vassian Kosoy), Russian ecclesiastic and political figure and writer
{{surname
Russian-language surnames