The is a Japanese group of manufacturing companies. As the world's largest zipper/zip manufacturer, YKK Group is most famous for making zippers; however, it also manufactures other fastening products, architectural products and industrial machinery.
The initials YKK stand for , which was the name of the company from 1945 until 1994. YKK produces fasteners and architectural products at 109 YKK companies in 71 countries around the world.
YKK may refer to:
- YKK Group, a Japanese group of manufacturing companies, and the world's largest zipper manufacturer
- Yekîtîya Komunîstên Kurdistan, a former Kurdish communist group in Turkey
- Yokohama Kaidashi Kikō, a manga by Hitoshi Ashinano
- Kitkatla Water Aerodrome (IATA airport code), Kitkatla, British Columbia, Canada