| Acronym | Definition |
|---|
| PKS | Polyketide Synthase |
| PKS | Public Key Service |
| PKS | Partai Keadilan Sejahtera (Indonesia) |
| PKS | Prywatny Katalog Stron (Polish: Private Web Directory) |
| PKS | Polizeiliche Kriminalstatistik (German: Police Crime Statistics) |
| PKS | Phi Kappa Sigma (international male fraternity) |
| PKS | Palm Kernel Shell |
| PKS | Pallister-Killian Syndrome |
| PKS | Przedsiêbiorstwo Komunikacji Samochodowej (Polish bus lines) |
| PKS | Polskie Katalogi Stron (Polish: Polish Website Directory) |
| PKS | Public Key System |
| PKS | Partai Komunis Sejahtera |
| PKS | Public Key Schemes |
| PKS | Penalty Kicks Saved (soccer) |
| PKS | Pseudorandom Keystream |
| PKS | Panspoudastiki Kinisi Sunergasias (Greek Communist Students Party) |