| Acronym | Definition |
|---|
| RKN➣Root Knot Nematode |
| RKN➣Catholic-National Movement (Poland) |
| RKN➣Ramsay's Kitchen Nightmares |
| RKN➣Rancangan Kemajuan Negara (Indonesian: National Development Plan) |
| RKN➣Ruch Katolicko Narodowy (Polish: Catholic National Movement; political party) |
| RKN➣Regionales Kompetenznetzwerk Weiterbildung (German: Regional Network of Expertise in Training) |
| RKN➣Radio Krishna Network |
| RKN➣Remote Knowledge Network (Bucyrus International Inc.; monitoring system for mining equipment) |