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PUK may refer to:
Geographical
- PUK, or Busan–Gyeongnam Area, a metropolitan area in South Korea
Political
- or National Unity Party, an Albanian political party
- Patriotic Union of Kurdistan, a Kurdish political party
Technological
- Personal unblocking key, a code used in mobile phones
- PUK welding, a precision welding system used in the jewellery industry
People
- Niels Kristian Iversen or PUK, Danish speedway-rider
See also
- Puck (disambiguation)