English abbreviations from pks to pl
- PKS (Phi Kappa Sigma Fraternity)
- PKT (Pulemet Kalashnikova Tankoviy (Russian ПКТ пулемет Калашникова танковый, "Machinegun Kalashnikov Tank")[1])
- PKTM (Pulemet Kalashnikova Tankoviy Modernizirovanniy (Russian ПКТМ пулемет Калашникова танковый модернизированный, "Machinegun Kalashnikov Tank Modernised") (a.k.a. PKMT)[1])
- PKU (Phenylketonuria)
- PKV (Pskov Airport)
- PKW (Selebi Phikwe Airport)
- PKX (Contracting Support Division, Warner Robins Air Force Base)
- PKZ (Pack-Zip)
- PL (Phase Line)
- P-L (a set of asteroid discoveries in the 1960s)
- P.L. (Public Law)