AP9, AP-9, AP.9, AP 9, or variant may refer to: Autopista AP-9, an expressway in Galicia, Spain Seversky AP-9, USAAC fighter , US Navy World War II Harris-class attack transport AA Arms AP-9 semi-automatic 9mm pistol FEG AP9 semi-automatic 9mm pistol (47091) 1999 AP9, AP9 asteroid discovered in 1999, the 47091st asteroid ever discovered AP.9 (rap artist) a.k.a. Bishop Shakur (born 1974), American rap artist