KG
- kg – (s) Kilogram – Kongo language (ISO 639-1 code)
- KG – (s) Kyrgyzstan (FIPS 10-4 country code; ISO 3166 digram)
- KGB – (i) Komitet Gosudarstvennoy Bezopasnosti (Russian "Committee for State Security") (1954–1991)
- KGO – Knight of the Guelphic Order of Hanover
- KGS – (s) Kyrgyz som (ISO 4217 currency code)
- KGZ – (s) Kyrgyzstan (ISO 3166 trigram)
Read more about this topic: List Of Acronyms And Initialisms: K