HPD

HPD may refer to:

• 4-Hydroxyphenylpyruvate dioxygenase
• Helsinki Police Department
• Hematoporphyrin, organic compound
• Histrionic personality disorder
• Honda Performance Development
• Hours per day, referred to working time
• HPD series of mines, landmines
• New York City Department of Housing Preservation and Development
• Croatian Climbing Society (Hrvatsko planinarsko društvo, HPD)

Transport

• Haripad railway station, Kerala, India
• Haripur Band railway station, Punjab, Pakistan
• Harpenden railway station, Hertfordshire, England (National Rail station code)

US police departments

• Hagerstown Police Department (Maryland)
• Hempstead Village Police Department, in New York
• Henderson Police Department in Nevada
• Hialeah Police Department, in Florida
• Hillsboro Police Department (Oregon)
• Hollywood Police Department (Florida)
• Holyoke Police Department, in Massachusetts
• Honolulu Police Department in Hawaii
• Hoonah Police Department, in Alaska
• Houston Police Department in Texas