Koch
- Coke (disambiguation)
- Cooch Behar (disambiguation)
- Cooch Behar State
- Koch (boat)
- Koch (crater)
- Koch (film)
- Koch (surname)
- Koch County
- Koch Entertainment
- Koch Foods
- Koch Industries
- Koch Institute (disambiguation)
- Koch Kingdom
- Koch Media
- Koch Records
- Koch dynasty
- Koch family
- Koch language
- Koch languages
- Koch method
- Koch people
- Koch snowflake
- Koch's postulates
- Koch's triangle
- Koch, Iran (disambiguation)
- Koch, Mississippi
- Koch, South Sudan
- Koch, Łódź Voivodeship
- Kotch
- Mycobacterium tuberculosis
- Rabha language
- Rabha people