K5

K5 or K-5 may be:

Military

* K5 pistol, used by the South Korean police and military
* HMS "K5", a Royal Navy submarine sunk in 1921
* Krupp K5, railway gun of World War II Germany
* Kaliningrad K-5, a Soviet-era air-to-air missile

Technology

* AMD K5 CPU chip released in the 1990s
* Kerberos protocol Version 5

Other

* Ibanez K5, the signature bass for KoRn's bassist Fieldy.
* [http://www.k5.com K5.com] , an action sports retailer based in San Diego, CA
* [http://www.k5consulting.com K5 Consulting] , Technology Consulting Firm in San Francisco
* K5 Club, a sex club in Prague, Czech Republic
* Chevrolet K5 Blazer
* Gasherbrum I, 11th highest mountain peak
* K-5 (Kansas highway), a state highway in Kansas
* Kuro5hin, community discussion web site
* K-5 (education), Kindergarten through 5 grades
* Wings of Alaska IATA airline designator
* Kawai K5, a synthesizer by Kawai
* "K₅", a non-planar graph used in Kuratowski's Theorem