| IAMT |
Intel Advanced Management Technology |
| IAN |
Integrated Access Node |
| IANA |
Internet Assigned Numbers Authority |
| IAOG |
International Administrative Management Domains Operators Group |
| IAP |
ISDN Access Internetworking Profile |
| IAR |
Institut für Automation und Robotik |
| IARP |
International Amateur Radio Permission |
| IARU |
International Amateur Radio Union |
| IAS |
International Accounting Standard |
| IAS |
Information Access System |
| IASG |
Internet Addiction Support Group |
| IASNET |
Institute for Automated Systems Network |
| IASS |
Internet Alphaserver System Software |
| IAT |
Inlet Air Temperature sensor |
| IAT |
Import Address Table |
| IATA |
International Air Transport Association |
| IATS |
Intake Air Temperature Sensor |
| IAUG |
International AIX Users Group |
| IAV |
Ingenieurgeselschaft Auto und Verkehr |
| IAX |
Inter-Asterisk Exchange Protocol |
| IB |
Intelligent Backtracking |
| IB |
In Betrieb |
| IBA |
Independent Broadcasting Authority |
| IBAC |
In Band Adjacent Channel |
| IBAN |
International Bank Account Number |
| IBC |
Inter Base Component |
| IBC |
Illinois Benedictine College (Gutenberg-Projekt) |
| IBC |
International Broadcasting Convention |
| IBCN |
Integrated Broadband Communication Network |
| IBCS1 |
Intel Binary Compatibility Specification Edition 1 |
| IBDWT |
Irrational Based Discrete Weighted Transform |
| IBFD |
Interessengemeinschaft Blinder Funkamateure Deutschlands |
| IBIA |
International Biometric Industry Association |
| IBL |
Input Buffer Limit |
| IBM |
International Business Machines (Big Blue) |
| IBN |
International Booking Network |
| IBO |
Inter Base Object |
| IBOC |
In Band On Channel |
| IBOND |
Intelligent Business On Demand |
| IBRD |
Internationale Bank für Wiederaufbau und Entwicklung |
| IBRD |
Internationale Bank für Wiederaufbau und Entwicklung (der UNO) |
| IBS |
Integriertes Banken-System |
| IBS |
Intelligenter Batterie Sensor |
| IBS |
Intelsat Business Services |
| IBSS |
Independent Basic Service Set |
| IBT |
Internet Based Training |
| IBU |
Informationsverbund Buchhandel |
| IC |
Information Centre |
| IC |
Incoming Call |
| IC |
Integrated Circuit |