D48

D48 or D-48 may refer to:
 * 85 mm antitank gun D-48, a 1955 Soviet 85-mm calibre antitank gun
 * D48 motorway (Czech Republic)
 * D48 road (Croatia)
 * HMAS Sydney (D48), a Leander-class light cruiser of the Royal Australian Navy
 * HMS Campania (D48), a Nairana-class escort carrier of the Royal Navy
 * HMS Thane (D48), a Bogue-class escort carrier of the Royal Navy
 * HMS Vidette (D48), a V-class destroyer of the Royal Navy
 * Semi-Slav Defense, a chess opening
 * D48, a precision color film recorder manufactured by Dicomed
 * Captain Miller (film), working title D48, 2024 Indian film starring Dhanush