| Acronym | Meaning |
 | OLED | Organic Light-Emitting Diode |
| NRO | U.S. National Reconnaissance Office |
| PCR | Polymerase Chain Reaction |
| SIC | Standard Industrial Classification |
| CLO | Cornell Lab Of Ornithology |
| PAO | Public Affairs Officer |
| ECB | European Central Bank - England (and Wales) Cricket Board |
| NCDDR | U.S. National Center For The Dissemination Of Disability Research |
| VW | Volkswagen |
| SU | Soviet Union (ISO 3166 Digram; Obsolete 1992) - Sudan (FIPS 10-4 Country Code) |
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