D70

D70 may refer to:
 * HMAS Warrego (D70), a 1911 Royal Australian Navy River class destroyer
 * HMS Solebay (D70), a 1944 British Royal Navy Battle-class destroyer
 * HMS Ravager (D70), a 1942 British Royal Navy Attacker-class escort carrier
 * Nikon D70, a 2004 digital single-lens reflex camera model
 * D70 road (Croatia), a state road
 * Agranulocytosis, an acute condition involving a severe leukopenia (ICD-10 code: D70)
 * Neo-Grünfeld Defence, Encyclopaedia of Chess Openings code