The KKH (Karakoram Highway) is the highest paved international road in the world, connecting China and Pakistan across the Karakoram mountain range.
KKH may also refer to:
- KK Women's and Children's Hospital, formerly known as "Kandang Kerbau Hospital", the largest hospital specialising in healthcare for women and children in Singapore
- Kongiganak Airport, a state-owned public-use airport in the Bethel Census Area of the U.S. state of Alaska by IATA code
- Khün language, the language of the Tai Khün people of Kengtung, Shan state, Myanmar, language code ISO 639-3