HKS may refer to:
Businesses and Organizations HKS (company), Japanese automotive accessory company HKS, Inc., American architecture and design firm HKSTV, a Hong Kong satellite television network Hibbitt, Karlsson & Sorensen, now SIMULIA, a software company HKS (American company), American company that makes speedloaders
Sport Croatian Basketball Federation (Croatian: ) Hapoel Kfar Saba F.C., an Israeli football club Hong Kong Scottish, a Hong Kong rugby union club Hong Kong Squash, the national organization for squash in Hong Kong Ruch Chorzów, a Polish football club
Transport CHC Helikopter Service, a Norwegian helicopter operator Hawkins Field (airport) in Jackson, Mississippi, United States Hoogkarspel railway station, in the Netherlands
Other uses HKS (colour system) Croatian Conservative Party Harvard Kennedy School at Harvard University Heat kernel signature Hip-knee-shaft angle in orthopedics Hong Kong Sign Language Hezb-e Kargaran-e Socialist, the Socialist Workers' Party of Iran