D30

D30 may refer to:

Aircraft

 * Dewoitine D.30, a French passenger monoplane

Ships

 * BRAZILIAN DESTROYER Pernambuco, a Pará-class destroyer of the Brazilian Navy
 * BRAZILIAN DESTROYER Pernambuco, a Garcia-class destroyer of the Brazilian Navy
 * HMS Despatch (D30), a Danae-class light cruiser of the Royal Navy
 * HMS Whirlwind (D30), a W-class destroyer of the Royal Navy

Surface vehicles

 * Levdeo D30, a Chinese hatchback
 * LNER Class D30, a class of British steam locomotives

Other uses

 * 122 mm howitzer 2A18 (D-30), a Soviet howitzer
 * Canon EOS D30, a digital single lens reflex camera
 * D30 road (Croatia)
 * Queen's Gambit Declined, a chess opening
 * Soloviev D-30, a Soviet turbofan engine
 * d30, a die with 30 sides