PEK
| Acronym | Definition |
|---|---|
| PEK | Polyetherketone |
| PEK | Pelvic Ectopic Kidney |
| PEK | Pommerschen Evangelischen Kirche (German: Pomeranian Evangelical Church; Greifswald, Germany) |
| PEK | Beijing, China - Peking Capital Airport (Airport Code) |
| PEK | Planet Express Klan (gaming clan) |
| PEK | Punctate Epithelial Keratopathy |
| PEK | Pfingst Europa Konferenz (German: Whit-Europe Conference; Pentecostalism) |