| OHC |
OverHead Camshaft |
| OHCI |
Open Host Controller Interface |
| OHG |
Offene Handelsgesellschaft |
| OHR |
Over Horizon RADAR |
| OHV |
OverHead Valves |
| OID |
Object Identifier (IANA) |
| OIDC |
Object Identifier Component |
| OIDL |
Object Interface Definition Language |
| OII |
(European Commissions) Open Information Interchange (Service) |
| OIRT |
Organisation International de Radio et Television |
| OIS |
Office/Online Information System |
| OIT |
Object Identifier Tree |
| OIU |
Operator Interface Unit |
| OIV |
Object Identifier Value |
| OIW |
OSI Implementors Workshop |
| OK |
Otto-Kraftstoff |
| OK |
Oberer Kanal |
| OKKSA |
Offener Katalog für Kommunale Softwareanforderungen |
| OLAF |
Office de la lutte anti-fraude - Amt für Betrugsbekämpfung |
| OLALA |
Open Local Area Linux Applications |
| OLAP |
Online Analytical Processing |
| olb |
Object Library (graphic Modus) |
| OLC |
Online Computer |
| OLC |
Optical Link Card |
| old |
Sicherungskopie einer Systemdatei |
| OLE |
Object Linking and Embedding |
| OLE |
Open License for Education |
| OLED |
Organic Light Emitting Device/Diode/Display |
| OLG |
Oberlandesgericht |
| OLI |
Optical Phone Line Interface |
| OLI |
Open Link Interface (Novell) |
| OLIT |
Open Look Intrinsic Toolkit |
| OLIX |
On-Line Informationssystem UNIX |
| OLM |
Optical Link Modul |
| OLP |
Open License Plan/Program |
| OLSR |
Optimized Link State Routing (Protocol) |
| OLT |
Optical Line Termination |
| OLTP |
On Line Transaction Processing |
| OLWM |
Open Look Window Manager |
| OM |
Object Manager |
| OM |
Oman |
| OM |
Old Man (Radioamateur) |
| OM |
Optimal Mismatch |
| OMA |
Open Mobile Alliance/Architecture (Cabrio?) |
| OMA |
Object/Open Management Architecture |
| OMAP |
Open Multimedia Applications Protocol |
| OMAP |
Operation and Maintenance Part |
| OMC |
Operation and Maintenance Center |
| OMCR |
Operation and Maintenance Center Radio |
| OMCS |
Operation and Maintenance Center Switch |