Yapp is an old English surname, derived from an Old English word meaning "crooked, bent; deceitful; shrewd, smart".Cottle, Basil (1967) The Penguin Dictionary of Surnames. Harmondsworth: Penguin Books; p. 330. Notable people with the surname include:
Charlotte Seymour Yapp (1879–1934), British nurse Jake Yapp, British comedian, composer, and writer John Yapp (born 1983), Welsh international rugby union player Malcolm Yapp (1931–2025), British historian Richard Henry Yapp (1871–1929), English botanist Stan Yapp (1933–2012), first leader of West Midlands County Council William Brunsdon Yapp (1909–1990), zoologist Yapp Hung Fai (born 1990), Hong Kong footballer
There is also a type of binding known as "yapp"; this is a limp leather binding with the covers overlapping the edges of the book; it is named after a bookseller called Yapp.Macdonald, A. M. (ed.) (1972) Chambers Twentieth Century Dictionary. London: Chambers ; p. 1582.
See also Ye (surname), spelled Yap or Yapp in Hakka and Minnan Yap, an island in the Pacific Ocean in the Federated States of Micronesia Yappie Yapp (mobile application)
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