Koch may refer to:
People Koch (surname), people with this surname Koch dynasty, a dynasty in Assam and Bengal, north east India Koch family Koch people (or Koche), an ethnic group originally from the ancient Koch kingdom in north east India Koch languages, Sino-Tibetan language family Koch language, a language spoken in India and Bangladesh Koch, an alternate name of the Rabha people, in northeast India and surrounding countries Rabha language, their language Koch Kingdom, in and around Assam
Places Koch (crater), a crater on the Moon Koch, Iran (disambiguation), places in Iran Koch, Łódź Voivodeship, a village in central Poland Koch, Mississippi, United States Koch, South Sudan, a village in Unity State, South Sudan Koch Bihar, a princely state in north east India Koch County, an administrative area in Unity State, South Sudan Koch Kingdom, Assam, 13th-16th centuries
Businesses Koch Entertainment LP, now known as E1 Entertainment Koch Records, former name of Entertainment One Music Koch Industries, petroleum, chemicals, energy, and commodities trading Koch Media, a media distribution company from Germany Koch Foods Poultry processor and distributor.
Other uses Koch (boat), a type of Arctic boat Koch method of learning Morse Code Koch snowflake or star, and Koch curve Koch's triangle, an anatomical area of the Human heart Koch's postulates, the criteria required to establish the etiology of an infectious disease Mycobacterium tuberculosis (Koch's bacillus), a bacterial species that causes tuberculosis Koch (film), a 2012 documentary film about New York City mayor Ed Koch
See also Heckler & Koch, maker of firearms Koch Institute (disambiguation) Kotch, a 1971 film starring Walter Matthau Coke (disambiguation), a homophone of some pronunciations of Koch Cooch Behar (disambiguation), also Koch Bihar, city in India