Ook

Ook or OOK may refer to:

  • Ook Chung (born 1963), a Korean-Canadian writer from Quebec
  • OOK, acronym of on-off keying
  • OOK, IATA airport code for Toksook Bay Airport, Alaska
  • Ook language (Discworld), one-half of the vocabulary of the fictional orangutan Librarian in Terry Pratchett's series