| Acronym | Definition |
|---|
| PLK➣Polskie Linie Kolejowe (Polish Railways) |
| PLK➣Present Level of Knowledge |
| PLK➣Peter Lynn Kites (New Zealand) |
| PLK➣Partia Liberale e Kosovës (Liberal Party of Kosovo) |
| PLK➣Punch Line King (lyricist Lloyd Banks) |
| PLK➣Place Last Known (search and rescue) |
| PLK➣Pasadena Latin Kings (gang) |
| PLK➣Piikkiön Laatukurkut (Finnish scouting group) |