9A

9A or 9-A may refer to :
 * Gemini 9A, a 1966 manned spaceflight
 * Airco DH.9A, a 1918 British light bomber
 * 9A-91, a carbine assault rifle currently in use with Russian police forces
 * 9-a-side footy, a sport based on Australian rules football
 * 9A- Croatian aircraft registration prefix (ICAO)