Sok may refer to:

As an acronym

* Søværnets Operative Kommando, the Danish Navy Operative Command *

Hok/sok system The hok/sok system is a postsegregational killing mechanism employed by the R1 plasmid in ''Escherichia coli''. It was the first type I toxin-antitoxin pair to be identified through characterisation of a plasmid-stabilising locus. It is a type I ...

, in molecular biology * Kamigawa, game expansion code * South Kenton station, London, England (National Rail station code) * Suomen Osuuskauppojen Keskuskunta, Finnish company * Swedish Olympic Committee ()

Other uses

*Sok, a nickname for Australian cricketer Stephen O'Keefe *

Sok (river) Sok (russian: Сок) is a river in Samara and Orenburg Oblasts, Russia, a left tributary of the Volga. It is long, and its drainage basin covers .