| Acronym | Definition |
|---|
| TKN➣Total Kjeldahl Nitrogen |
| TKN➣Thyssenkrupp Nirosta GmbH (German stainless steel producer) |
| TKN➣Telecare Knowledge Network (care provider forum) |
| TKN➣Takanini (suburb of Auckland, New Zealand) |
| TKN➣Troms Kraft Nett (Norwegian energy supplier) |
| TKN➣Tokyo Kaijo Nichido (Japanese: Tokyo Marine & Nichido Facilities) |
| TKN➣Tongil Korea Net |