Kachin or Kakhyen may refer to:
- Kachin State, in northern Burma
- Kachin people, a generalised term for six non-Burman ethno-linguistic groups in Kachin State.
- Jingpo people, the main sub-branch of the Kachin people, for whom the term Jingpo and Kachin are considered interchangeable'
- Singpho people, members of the ethnic group living in Arunachal Pradesh, India and also Yunan Province, China.
- Jingpho language, or Kachin language
- A 'relaxed' variant of Lethwei martial arts