Ook, OoK or OOK may refer to:
*
Ook Chung (born 1963), Korean-Canadian writer from Quebec
*
On-off keying, in radio technology
*
Toksook Bay Airport (IATA code OOK), in Alaska
* Ook!, an esoteric programming language based on
Brainfuck
* Ook, the mascot and name for
Northern Alberta Institute of Technology sports teams
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