D68
D68 stands for:
- Factor XI Deficiency , ICD-10 Code of Blood Clotting Disorder
- HMAS Vampire (D68) , a Royal Australian Navy military ship
- HMS Barrosa (D68) , a battle-class destroyer of the Royal Navy built in 1945
- HMS Gibraltar (D68) , an aircraft carrier of the British Royal Navy
- Northern Limestone Alps , as the main natural spatial unit of Germany