Wikipedia
RKK
RKK may refer to:
- Rooms-Katholiek Kerkgenootschap, a broadcaster in the Netherlands
- S.P. Korolev Rocket and Space Corporation Energia, also known as RKK Energiya, a Russian manufacturer of spacecraft and space station components
- Reichskulturkammer
- Runda Kumpulan Kecil, an insurgent group in Southern Thailand