HDD

HDD may refer to:

• H. D. Deve Gowda, former Prime Minister of India
• Hard disk drive
• Hand Drawn Dracula, a record label
• Head-down display
• Heating degree day
• High definition display
• Honorary Doctor of Divinity
• Horizontal Directional Drilling
• Hyderabad Airport (Sindh) (IATA:HDD), in Pakistan
• Template:Mono; see Device file § naming conventions
• Hard Drive Divinity, the transformed state of CPUs in Hyperdimension Neptunia
• Handan East railway station, China Railway pinyin code HDD