| Acronym | Meaning |
 | NDP | New Democratic Party (Canada) |
 | STI | Sexually Transmitted Infection - Subaru Tecnica International |
 | GPC | Global Path Cache |
 | TKM | Turkmenistan (ISO 3166 Trigram) |
 | FAO | Faroese Language (ISO 639-2 Code) |
 | RADB | Rad51/Dmc1 Homologous Protein |
 | BR | Brazil (ISO 3166 Digram; FIPS 10-4 Country Code) -British Rail- Break Ranks (marching Band Term) |
 | JH | Japan Highway Public Corporation |
 | GZK | Greisen-Zatsepin-Kuzmin Cut-off (cosmic Ray Energies) |
 | OR | Operating Room (surgery) - Operational/Operations Research -Oregon (postal Symbol) |