English abbreviations from idn to idrg
- IDN (Indonesia (ISO 3166 trigram))
- IDNDR (International Decade For Natural Disaster Reduction (UN))
- IDNDUG (Israel Dot NET Developers User Group)
- IDNE. (Indictione ("In the Indiction" a chronological term))
- IDNG (Infantry Division National Guard)
- ido (Ido language (ISO 639-2 code))
- IDOA (In Defense Of Animals)
- IDOC (In Danger Of Collapse)
- IDP (Independence Municipal Airport)
- IDPA (International Defensive Pistol Association)
- IDPF (International Digital Publishing Forum)
- IDPH (Iowa Department of Public Health)
- IDR (Indonesian rupiah (ISO 4217 currency code))
- IDRA (Infectious Disease Risk Assessment)
- IDRBT (Institute for Development and Research in Banking Technology)
- IDRC (Illegal Dumping Resource Center)
- IDRD (Interface Definition and Requirements Document)
- IDRE (Institute for Digital Research and Education)
- IDRF (India Development and Relief Fund)
- IDRG (Inflammatory Disease Research Group)