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