K9

K9 (or K-9) refers to a variety of entries, most related to dogs. The term originated in the military, where designations such as "G-2" are common, making "K-9" a rare official pun, being similar to "canine". The term, originally referencing war dogs, has since carried over to police, and sentry and assistance dogs as well.
* K-9 (Doctor Who), the name of several robot dogs which were characters in the BBC television drama "Doctor Who"
** "K-9 and Company", the pilot for a proposed television series spinning off from "Doctor Who", released in 1981
**"K-9" (TV series), a yet-to-air 26 episode animated "Doctor Who" spin-off featuring K-9.
* "K-9 Kadets", a 1944 movie
* K-9 155mm self-propelled howitzer, a Korean-developed self-propelled artillery.
* "K-9" (film), a 1989 Universal City Studios comedy starring James Belushi. It has two sequels, "K-911" and ""
* "K-9 Corrections", a television movie released in 2001.
* K-9, a reference to zoophilia
* K-9, a wolf-like enemy in the video game "Super Mario RPG"
* K-9, the name of Marvin the Martian's pet dog in the "Looney Tunes" cartoon series from "Warner Bros."
* [http://keir.net/k9.html K9, a freeware email filtering application]
* K9 (mobile phone), a Mobile phone from Kyocera.
* AMD K9, the dual core AMD64 microprocessors.
* The Philips K9, a popular colour TV set introduced in the early 1970s.
* K-9 (Kansas highway), a highway in northern Kansas.
* K-9, a rapper previously signed to Death Row Records.
* Krylo Airlines, IATA airline designator.
*K9 Web Protection, a web content control software.
* HMAS "K9", an Australian training submarine used in World War II.
* K9, one of the grades of optical glass.