| KN | Kalaallit Nunaat
| Others |
| KN | Kaladlit Nunat
| Others |
| KN | Kannada native
| Others |
| KN | Kartographische Nachrichten
| Others |
| KN | Kevin Norton
| Others |
| KN | Killer Nun
| Others |
| KN | Kilo Newton
| Others |
| KN | kilo Newtons
| Others |
| KN | Kinase Negative
| Others |
| KN | King's Knight
| Others |
| KN | Kit Number
| Others |
| KN | Kitsune Noir
| Others |
| KN | Kitting Notice
| Others |
| KN | Kitts and Nevis
| Others |
| KN | Kneser Ney
| Others |
| KN | Knockouts Nate
| Others |
| KN | Knot
| Others |
| KN | knots and
| Others |
| KN | Knowledge Networks
| Others |
| KN | Known
| Others |
| KN | Knudsen number
| Others |
| KN | Korean National
| Others |
| KN | Krassy Nedelchev
| Others |
| KN | KSC (Kennedy Space Center) Notice
| Others |
| KN | Kubernetes Native
| Others |
| KN | Kuna - currency of Croatia
| Others |
| KN | Saint Kitts & Nevis
| Others |
| KN | Saint Kitts & Nevis, Anguilla
| Others |
| KN | Saint Kitts and Nevis
| Others |