PKCS
| Acronym | Definition |
|---|---|
| PKCS | Public-Key Cryptography Standards |
| PKCS | Public Key Cryptography Standard |
| PKCS | Public Key Cryptographic System |
| PKCS | Protein Kinase C Subspecies (biochemistry) |
| PKCS | Port Klang Community System (commerce; Malaysia) |
| PKCS | Peter Kiewit Computing Services (Dartmouth College; Hanover, NH) |