NHRA is the National Hot Rod Association, a governing body for drag racing in the U.S. and Canada.
NHRA may also refer to:
- National Health Regulatory Authority (Bahrain)
- National Horseracing Authority, South Africa, officially NHA although sometimes known as NHRA in news reports
- National Reining Horse Association, an American organization to promote the reining horse
- National Heritage Resources Act, the basis for designating National heritage sites of South Africa