| Abbreviation | Definition |
|---|---|
| IRA | Internet Research Agency |
| IRCB | Indo Russian Centre for Biotechnology |
| IRRA | Institute of Russian Realist Art |
| IRTS | Imperial Russian Technical Society |
| IRTS | Imperial Russian Technological Society |
| JRCA | Jewish Russian Cultural Alliance |
| KGB | Komitet Gosudarstvennoy Bezopasnosti (Committee for State Security) |
| KOI | Kod Obmena Informaticii (code for information exchange) |
| KOMBAT | Командир батальона (RUS) Commander of Battalion. |
| LAOTI | Los Angeles ORT (Obshestvo Remeslenofo zemledelcheskofo Truda; Russian: Society for Trades and Agricultural Labour) Technical Institute |
| MK | Modifitsirovannyi Kommerchesky |
| MRKN | Mnogorazovoy Raketno Kosmicheskoy Nositel |
| MSIU | Moscow State Industrial University |
| MVD | Ministerstvo Vnutrennih Del |
| NAF | Novorossiyian Armed Forces |
| NKVD | Narodny Komissariat Vnutrennih Del |
| NKWD | Narodnij Komissariat Wnutrennych Del (Russian: People's Office for Interior; Soviet Secret Service 1937-1946) |
| NORS | National Organization of Russian Scouts |
| NREC | National Russian Essay Contest |
| NRF | Neo Russian Federation |