W23 may refer to:
W23 (nuclear artillery shell) Bayungu language British NVC community W23, a scrub community in the British National Vegetation Classification system Compound of five octahedra Hansa-Brandenburg W.23, a German flying boat fighter Wanderer W23, a vehicle manufactured by Wanderer Wild Rose Idlewild Airport, in Waushara County, Wisconsin, United States Samsung Galaxy W23, a Mobile Smartphone developed by Samsung Electronics