English abbreviations from pjk to pka
- PJK (Pacific JuJitsu Kai)
- PJM (Puerto Jimenez Airport)
- PJMS (Policy Journalism and Media Studies)
- PJN (Pearl Jam Network)
- PJO (Percy Jackson and the Olympians)
- PJP (Pa Jama Party)
- PJR (Project Resource)
- PJs (Pajamas ("pee-jayz"))
- PJU (PANAMERICAN Judo Union)
- PJV (Progressive Jewish Voice)
- PJX (Project X)
- PJZ (Puerto Juarez Airport)
- PK ((catalog) Perek-Kohoutek, a catalog of planetary nebulae)
- P.K. (Pridie Kalendas ("The day before the Calends"))
- PKA (Napaskiak Airport)