IRD

IRD or Ird may refer to the following:
 * ʿIrd, a part of the honor codes of the Bedouin for women
 * Ird, alternate name of Arad, Iran, a city in Fars Province
 * Ishwardi Airport (IATA airport code)
 * Kaarel Ird (1909–1986), Estonian theatre leader, director and actor

As an initialism, IRD may refer to:
 * Illinois Refining Division, a division of Marathon Petroleum located in Robinson, Illinois.
 * Influenza Research Database, a publicly available database and analysis resource for influenza virus research
 * Inland Revenue Department (disambiguation), in some countries
 * Integrated receiver/decoder
 * Research Institute for Development (Institut de recherche pour le développement), a scientific institution dedicated to the development of tropical countries
 * Intelligent Resource Director, on IBM mainframes
 * International Relief and Development Inc., a USAID grantee
 * Internet radio device
 * Institute on Religion and Democracy, a conservative Christian organization
 * Information Research Department, a former department of the British Foreign Office
 * "Image Replacement Document", another name for substitute check as defined in the Check Clearing for the 21st Century Act (Check 21)
 * Interest rate derivative, a financial instrument
 * Interest rate differential, weighs the contrast in interest rates between two similar interest-bearing assets
 * Ice rafting debris
 * International Road Dynamics
 * Inherited Retina