| PAK | Compressed file archive (PAK) 
| Others |
| PAK | Hanapepe, Kauai, Hawaii USA
| Others |
| PAK | P21 Activated Kinase
| Others |
| PAK | Pacific Association of Karting
| Others |
| PAK | Pakistan
| Others |
| PAK | Palatka (Amtrak station code; Palatka, FL)
| Others |
| PAK | Pander Abwehr Kanone
| Others |
| PAK | Panjab, Afghan, And Kashmir
| Others |
| PAK | Pannon Autoipari Klaszter
| Others |
| PAK | PanzerAbwehrKanone
| Others |
| PAK | PanzerAbwehrKanone (Antitank gun)
| Others |
| PAK | Parents And Kids
| Others |
| PAK | Parlamentskreises Automobiles Kulturgut
| Others |
| PAK | People Against Kasper
| Others |
| PAK | People Against Kelloggs
| Others |
| PAK | Perfect All Kill
| Others |
| PAK | Perinatal Association of Kansas
| Others |
| PAK | Personalized Accessible Knowledge
| Others |
| PAK | Peter A Kolenc
| Others |
| PAK | Photo Album Kit
| Others |
| PAK | Point And Kill
| Others |
| PAK | Policy and Knowledge Facility (Nigeria)
| Others |
| PAK | Polycyclische Aromatische Koolwaterstoffen (Dutch: Polycyclic Aromatic Hydrocarbons)
| Others |
| PAK | Polyester Alkyd
| Others |
| PAK | Polyzyklischen Aromatischen Kohlenwasserstoffen (German: Polycyclic Aromatic Hydrocarbons)
| Others |
| PAK | Post Award Kickoff (contracting)
| Others |
| PAK | Praying About Kids
| Others |
| PAK | Press Any Key
| Others |
| PAK | Primary Authorization Key
| Others |
| PAK | Process Automation Komponent
| Others |
| PAK | Product Activation Key
| Others |
| PAK | Product Authorization Key
| Others |
| PAK | Project Azalea Kwaliteit
| Others |
| PAK | Punjab, Afghanistan, and Kashmir
| Others |
| PAK | Puppet Assimilate Konsciousness
| Others |