OKS may refer to:

OKS Recordings of North America, an experimental music label Old King's Scholar, alumni of The King's School, Canterbury OKs, a cereal brand formerly produced by Kellogg's

Organizations Civic Conservative Party, a political party in Slovakia Olympic Committee of Serbia Olympic Committee of Slovenia Stomil Olsztyn S.A., a Polish football club OK Poland Local Government Coalition, a political organization in Poland

See also Soyuz 7K-OKS, a version of the Soyuz spacecraft