| ISRN |
International Standard Recording Number |
| ISS |
Integrated Safety System |
| ISS |
Instant Start System |
| ISSA |
Information Systems Security Association |
| ISSCC |
International Solid State Circuits Conference |
| ISSE |
Information Security Solutions Europe |
| ISSE |
Internet Streaming SIMD Extension |
| ISSN |
International Standard Serial Number |
| ISSO |
Information System Security Officer |
| ISSP |
Inter-Switch Signalling Protocol |
| ISSP |
Internet Satellite Service Provider |
| ISSS |
IBM Speech Server Services |
| ISST |
(Fraunhofer-)Institut für Software- und Systemtechnik |
| IST |
Information Society Technologies (Programme) |
| IST |
Internet Transaction Server |
| ISTF |
Internet Science and Technology Fair |
| ISTF |
Internet Societal Task Force |
| IStGH |
Internationaler Strafgerichtshof |
| ISTO |
Information Science and Technology Office |
| ISTPA |
International Security, Trust + Privacy Alliance |
| isu |
Nestcape Init-Strings/ Logdatei zur Dienstallation |
| ISU |
Industry Solution Unit (IBM) |
| ISUG |
International SGML/XML Users Group |
| ISUP |
ISDN User Part |
| ISUS |
Information Services and User Support (DFN) |
| ISV |
Independent Software Vendor |
| ISVR |
Intel Smart Video Recorder |
| ISWL |
International Short Wave League |
| iSys |
FahrerInformationsSYStem |
| IT |
Information Technology, Informationstechnik |
| IT |
InstrumentenTafel |
| it |
italienisch |
| ITA |
Intend To Adopt (Debian) |
| ITA |
Interface Test Adapter |
| ITA |
International Telegraphy Alphabet |
| ITA |
Interim Type Approval |
| ITAA |
Information Technology Association of America |
| ITAC |
ISDN Terminal Adapter Circuit |
| ITB |
Information Technology Branch |
| ITC |
IntelliCAD Technology Consortium |
| ITC |
Internationales Handels-Zentrum |
| ITC |
International Telegraph Code |
| ITC |
Independent Television Commission |
| ITCS |
Ignition Timing Control System |
| ITE |
Informationstechnische Einrichtung |
| ITE |
Internal Terminal Emulator |
| ITEQ, I-TEq |
Internationale Toxizitätsäquivalente |
| ITF |
Isochronous Transfer |
| ITG |
Informationstechnische Gesellschaft im VDE |
| ITG |
Informationstechnische Grundausbildung |