NHP may refer to:

• Natural health product, a term used in Canada to describe natural supplements
• National Historical Park, a term used in the United States to describe historic and/or significant natural areas
• Necrotising hepatopancreatitis, a lethal epizootic disease of farmed shrimp
• Nevada Highway Patrol, a division of the Nevada Department of Public Safety
• Nominal horsepower, an early 19th-century rule of thumb used to estimate the power of steam engines
• Non-human primate, primate species except humans