OTK may refer to:
- Organisations
- Austrian Tourist Club (German: Österreichische Touristenklub or ÖTK)
- Obrona Terytorium Kraju (ISO 639:otk), territorial defense forces of Poland
- Obchodní tiskárny Kolín, Czech paper and card manufacturers
- One True King, a gaming organization based in Austin, Texas
- Other meanings
- Technical Control Department (Russian: Отдел технического контроля or ОТК)
- Old Turkic (language code)
- One time key, a method related to encryption
- Otakuthon, Montreal's anime convention
- Ottakring, the 16th municipal district of Vienna
- Over-the-knee boots ("OTK boots")
- One Turn Kill (Trading Card Game)
This disambiguation page lists articles associated with the title OTK.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.