X9 may refer to:
- X9 (New York City bus)
- X9, a Metrobus route
- X-9 Shrike, a missile
- ASC X9, the ANSI Accredited Standards Committee X9 (ASC X9)
- Khors Aircompany, former IATA code
- Former IATA code for WOW air
- Secret Agent X-9, a comic strip (1934–1996) created by Dashiell Hammett
- A binary star system located in 47 Tucanae
See also
Topics referred to by the same termThis disambiguation page lists articles associated with the same title formed as a letter–number combination.If an internal link led you here, you may wish to change the link to point directly to the intended article.