6K

6K, VI-K or 6k may refer to:
* China Railways Class 6K, a Japanese-built electric locomotive used in China
* Form 6K, an U.S. Securities and Exchange Commission filling
* Stalag VI-K, a former German prisoner of war camp at Stuckenbrock, Germanyand also :
* 6000 (number)
* Inter Airlines IATA airline code
* Asian Spirit IATA airline code