Wikipedia
PTK
PTK may refer to:
- Pairwise Transient Key, a key in the IEEE_802.11i-2004 specification
- Phi Theta Kappa
- Phototherapeutic keratectomy
- Portal Three Kingdoms, a Magic: The Gathering set
- Post and Telecom of Kosovo
- Protein Tyrosine Kinase
- PTK Toolkit
- PTK NP, Russian acronym for Prospective Piloted Transport System