| PKS | Kart Supplies 
| Others |
| PKS | Pacific Knowledge Systems
| Others |
| PKS | Pallister Killian Syndrome
| Others |
| PKS | Parallel Kinematic Structure
| Others |
| PKS | Paramagnetic Kondo Singlet
| Others |
| PKS | Parks
| Others |
| PKS | Partai Keadilan Sejahtera
| Others |
| PKS | Particular Kinds of Service
| Others |
| PKS | Pauahi Keiki Scholars
| Others |
| PKS | Pavements and Kerbs Sprayer
| Others |
| PKS | Penalty Kicks Saved
| Others |
| PKS | Penghapusan Kekerasan Seksual
| Others |
| PKS | People, Knowledge, and Systems
| Others |
| PKS | Peter Kiewit Sons
| Others |
| PKS | Peter Kiewit Sons, Inc.
| Others |
| PKS | Petrarch King Size
| Others |
| PKS | Peugeot Klub Srbija
| Others |
| PKS | Phi Kappa Sigma
| Others |
| PKS | Phi Kappa Sigma Fraternity
| Others |
| PKS | Phoenix Knowledgebase Server
| Others |
| PKS | Plantation Key School
| Others |
| PKS | Plattform- Kleiner- Schlossplatz.de
| Others |
| PKS | Porsche Klub Slovenija
| Others |
| PKS | Power Kite Site
| Others |
| PKS | President Kennedy School
| Others |
| PKS | Presidio Knolls School
| Others |
| PKS | Process Knowledge System
| Others |
| PKS | Progressive Kenpo Systems
| Others |
| PKS | Proposed Korean Standard
| Others |
| PKS | Public Key Server
| Others |
| PKS | Public Key Service
| Others |
| PKS | Public Key Services
| Others |
| PKS | Public Key System
| Others |
| PKS | Purshe Kaplan Sterling
| Others |
| PKS | Pythagoras Kepler System
| Others |