PRIA is a four-letter acronym or abbreviation, and may refer to:
- International Conference on Pattern Recognition and Image Analysis, a biennial scientific international conference
- Pre-Roman Iron Age, a Northern European archaeological period
- Proceedings of the Royal Irish Academy, an Irish journal
- Public Relations Institute of Australia, an Australian association of communication professionals
- The Pilot Record Improvement Act, a United States law enhancing recordkeeping of pilots by the Federal Aviation Administration
