V9

V9 or V09 may refer to:

Transportation

 * Fokker V.9, an experimental aircraft part of a series which led up to the low-production D.VI fighter
 * USS V-9 or USS Cuttlefish (SS-171), a Cachalot-class submarine
 * Hughes XV-9, a 1960s American experimental helicopter
 * V9 Overstreet, a road in Milton Keynes, England
 * BAL Bashkirian Airlines (IATA code)
 * V9 Overstreet network of predominantly national speed limit, fully landscaped routes that form the top layer of the street hierarchy for both private and public transport in Milton Keynes, Buckinghamshire
 * V9 2937 Bashkirian Airlines Flight 2937, a Tupolev Tu-154 passenger jet, and DHL Flight 611, a Boeing 757 cargo jet, collided in mid-air over Überlingen, a southern German town on Lake Constance
 * Škoda-Kauba V9 Czechoslovakian aircraft

Science and technology

 * Vivo V9, a smartphone by Vivo
 * ATC code V09 (diagnostic radiopharmaceuticals), a subgroup of the Anatomical Therapeutic Chemical Classification System
 * RAZR V9, a cell phone by Motorola
 * SPARC V9, a 64-bit SPARC architecture
 * V9 Unix or Version 9 Unix, a version of the Research Unix operating system developed and used internally at the Bell Labs
 * Huawei Honor V9 a smartphone made by Huawei under their Honor sub-brand
 * TARGET V9 a CAD computer program for EDA and PCB design, developed by Ing.-Büro Friedrich in Germany

Other uses

 * V9, a grade in climbing
 * V9, a grade in bouldering