| Acronym | Definition |
|---|
| PSK | Pre-Shared Key |
| PSK | Phase Shift Keying |
| PSK | Passport Seva Kendra (India) |
| PSK | Petoskey (Amtrak station code; Petoskey, MI) |
| PSK | Product Service Key |
| PSK | Percentage of Spam Mail Killed |
| PSK | Pre Shared Key |
| PSK | Pekerja Seks Komersial (Indonesian: Commercial Sex Workers) |
| PSK | Personal Survival Kit |
| PSK | Paleis Voor Schone Kunsten (concert hall, Brussels, Belgium) |
| PSK | Polysaccharide K (immunomodulatory activity and biochemical modulator) |
| PSK | Pusat Sate Kiloan (Indonesian restaurant) |
| PSK | Polymer Society of Korea (South Korea) |
| PSK | Pocket Survival Kit |
| PSK | Pharmaceutical Society of Korea |
| PSK | Park Side Killers (Philadelphia gang) |
| PSK | Pulaski, Virginia (airport code) |
| PSK | Phi Sigma Kappa International Fraternity |
| PSK | Philly Street Kings (Philadelphia, PA) |