D42

D42, D-42 or D.42 may refer to:


 * Arm, cubit symbol (hieroglyph)
 * D42 road (Croatia)
 * GREEK DESTROYER Kimon, a Fletcher-class destroyer of the Greek Navy
 * HMS Curlew (D42), a C-class light cruiser of the Royal Navy
 * HMS Empress (D42), a Ruler-class escort carrier of the Royal Navy
 * HMS Windsor (D42), a W-class destroyer of the Royal Navy
 * Springfield Municipal Airport (Minnesota)