V23

V23, or similar, may refer to:
 * DR Class V 23, a locomotive
 * ITU-T V.23, a modem standard
 * Fokker V.23, a German experimental fighter aircraft of the 1910s
 * Skytrader UV-23 Scout, an American prototype utility aircraft of the 1970s
 * v23, a British graphic design studio founded by Vaughan Oliver
 * V23, supervision of high-risk pregnancy, in the ICD-9 V codes