English abbreviations from njrotc to nki
- NJROTC (Navy Junior Reserve Officers' Training Corps)
- NJS (Naval Justice School)
- NJSC (New Jersey Ski Council)
- NJSF (Naval Justice School Foundation)
- NJSL (Northwest/Jackson Soccer League)
- NJU (Nanjing University)
- NJUEZ (New Jersey Urban Enterprise Zone)
- NJV (Not Just Videos)
- NJW (New Jersey Wing)
- nK (Nanokelvin)
- NKA (No Known Allergies)
- NKAWTG (Nobody Kicks Ass Without Tanker Gas)
- NKB (Nepean Kanata Barracudas)
- NKC (Northwest Kidney Centers)
- NKCA (National Kidney Cancer Association)
- NKCS (Northwest Korean Culture Society)
- NKDA (New Town Kolkata Development Authority)
- NKE (Natural Keyboard Elite)
- NKEA (Northern Kentucky Electrical Association)
- NKF (National Kidney Foundation)
- NKFM (National Kidney Foundation of Michigan)
- NKF NCA (National Kidney Foundation of the National Capital Area)
- NKF-O (National Kidney Foundation of Ohio)
- NKG (Nanjing Lukou International Airport)
- NKH (Nonketotic hyperglycinemia)
- NKI (National Karate Institute)