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Surname Koech (Koech
, 克奇
, كويتش
) , globally, is a common family name. The last name Koech is characteristic of Kenya, where it is quite a common surname, Qatar, where it is quite a rare surname, and United Arab Emirates, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Kenya, China, and the United States. Much less frequently, Koech is the forename as well as the last name.