| Abbreviation | Definition |
|---|---|
| IDN | Internationalized Domain Names |
| IDN | Internet Domain Name(s) |
| IDN | is a domain name |
| IDNA | Internationalised Domain Names in Applications |
| IDNA | Internationalising Domain Names in Applications |
| IDNA | Internationalized Domain Name Applications |
| IDNA | Internationalized Domain Names for Applications |
| IDNA | Internationalized Domain Names in Applications |
| IDNS | Domain Name Scam |
| IDOSR | International Digital Organization for Scientific Research |
| IDP | Information Data Plan |
| IEDR | IE Domain Registry |
| IG | |
| IMDB | International Media Data Base |
| INFO | Information Sites |
| INT | International Organizations |
| kaafis | Kingdom of Attraction, Awareness, Faith, Invention and Spirit |
| KGDT | Krishnagiri District |
| KN | Saint Kitts & Nevis |
| LACTLD | Latin American and Caribbean TLD |