1) Russian surname 
Kryukov (Крю́ков) and Kryukova (Крю́кова; feminine) is a common Russian surname derived from the word `крюк` (kryuk). While the literal meaning of the word is `hook`, the surname stems from the figurative meaning of `finicky person`, a `quibbler`, but also a `stoop-shouldered person`. People with this surname include: ...