LCH
- Balikpapan-class landing craft heavy
- County Hall, London
- HAL Light Combat Helicopter
- HCL color space
- KAI LCH
- Korea Aerospace Industries
- LCH (clearing house)
- LCHab
- LCHuv
- Lake Charles (Amtrak station)
- Lake Charles Regional Airport
- Langerhans cell histiocytosis
- Lexington Catholic High School
- Leydig cell hypoplasia
- Life-cycle hypothesis
- Locally compact Hausdorff space