IRD
- Arad, Iran
- Ice rafting
- Income in respect of a decedent
- Influenza Research Database
- Information Research Department
- Inland Revenue Department (disambiguation)
- Institute on Religion and Democracy
- Integrated receiver/decoder
- Intelligent Resource Director
- Interest rate derivative
- International Relief and Development Inc.
- International Road Dynamics
- Internet radio device
- Ishwardi Airport
- Kaarel Ird
- Marathon Petroleum
- Retina