PBK
| Acronym | Definition |
|---|---|
| PBK | Paperback (book) |
| PBK | Phi Beta Kappa |
| PBK | Public Key |
| PBK | Phone Book |
| PBK | Purpose Build Key |
| PBK | Playback |
| PBK | Pembroke (postal locality, Malta) |
| PBK | Powszechny Bank Kredytowy (Polish: General Credit Bank) |
| PBK | Pseudophakic Bullous Keratopathy (cornea disorder) |
| PBK | Phat Baby Kustumz (est. 2007; Huntsville, AL) |
| PBK | Phillip B Klingler (composer) |
| PBK | Payload Bay Kit (US NASA) |
| PBK | Parti Balli Kombetar (Albanian National Front; political party) |
| PBK | Password-Based Key (cryptography) |