JKR or Jkr. may refer to:
Janakpur Airport (IATA code: JKR), an airport in southeastern Nepal Japan Karate-Do Ryobu-Kai, an international karate organization J. K. Rowling, author of the Harry Potter series Johnson-Kendall-Roberts model, a mathematical model in contact mechanics Jones Knowles Ritchie, a British design agency Junker (Jkr.), a German noble honorific Malaysian Public Works Department (Malay: ), a federal department in Malaysia for public infrastructure Public Work Department (Brunei)