LCH

• County Hall, London, London, UK
• Lake Charles (Amtrak station), Louisiana, United States; Amtrak station code LCH
• Lake Charles Regional Airport, Lake Charles, Louisiana (IATA airport code)

• Lexington Catholic High School, Lexington, Kentucky, United States
• LCH (clearing house), a financial infrastructure company

• Langerhans cell histiocytosis, a type of cancer
• Leydig cell hypoplasia, an intersex variation

• HAL Light Combat Helicopter
• Balikpapan-class landing craft heavy, officially known as Landing Craft, Heavy or LCH
• KAI LCH, Light Civil Helicopter of Korea Aerospace Industries (KAI)

• Life-cycle hypothesis, a model of economic consumption
• Locally Compact Hausdorff space, a term used in mathematics
• HCL colour spaces, a category of colour space models also referred to as LCh
• LCHab, an LCh representation of the CIELAB colour space
• LCHuv, an LCh representation of the CIELUV colour space

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