| 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) |