D26

D26 may refer to:

Ships

 * ARA Hipólito Bouchard, an Allen M. Sumner-class destroyer of the Argentine Navy
 * BRAZILIAN DESTROYER Mariz e Barros, a Gearing-class destroyer of the Brazilian Navy
 * HMS Slinger (D26), a Ruler-class escort carrier of the Royal Navy
 * HMS Watchman (D26), a W-class destroyer of the Royal Navy

Other uses

 * D26 road (Croatia)
 * Dewoitine D.26, a French military trainer aircraft
 * IVL D.26 Haukka I, a Finnish prototype fighter aircraft
 * LNER Class D26, a class of British steam locomotives