// Workers AI · dad joke modeWhat did KH say to its friend? KH you later.

KH, kh, Kh or kH may refer to:

Organizations

• Kata'ib Hezbollah, part of the armed forces of Iraq
• The King's Hospital, a school in Ireland
• Kowloon Hospital, a hospital in Kowloon City, Hong Kong

People

• Kamal Haasan, Indian actor and filmmaker, sometimes abbreviated as KH in film titles (cf. KH 233)
• Kalevi Heikkinen (1911–1940), Finnish war correspondent whose pen name was KH

Places

• Cambodia (Kampuchea, Kambuja, Srok Khmer), a sovereign state with ISO 3166-2 alpha code KH
  • .kh, the Internet country code top-level domain for Cambodia
• Kutná Hora District, Czech Republic (vehicle plate code)
• Kyustendil, Bulgaria (vehicle plate code)
• Bad Kreuznach, Germany (vehicle plate code)
• Borehamwood, Great Britain (vehicle plate code)
• Central Kalimantan, Indonesia (vehicle registration prefix KH)
• Evrytania, Greece (vehicle plate code)

Science and technology

Chemistry and physics

• KH (hardness), a measure of the hardness of water (calcium carbonate concentration)
• Henry's law, constant (K_H), in thermodynamics
• Kelvin–Helmholtz instability, a phenomenon of fluid mechanics
• Potassium hydride, chemical formula KH

Other uses in science and technology

• Kh factor, a constant used in electrical metering
• Key Hole, a series of imaging satellites used by various US agencies
• Khornerstone, a computer benchmark used in periodicals such as UNIX Review
• Kurepa hypothesis, in mathematical set theory
• Missiles etc. with prefix Kh-, indicating experimental; see List of NATO reporting names for air-to-surface missiles

Other uses

• Kh (digraph), in English transliteration, usually representing [x], but sometimes [kʰ]
• Kh (tramcar), the class of double axled high-floor tramcars
• A knight of the Royal Guelphic Order