| TSN | Tal Service Network 
| Others |
| TSN | tal Sports Network
| Others |
| TSN | Tall Ship Newswire
| Others |
| TSN | tally Service Network
| Others |
| TSN | Tan Son Nhut
| Others |
| TSN | Targeting Social Need
| Others |
| TSN | Taxonomic Serial Number
| Others |
| TSN | Teacher Scientist Network
| Others |
| TSN | Team Sportscast Network
| Others |
| TSN | Team Supernova the Name
| Others |
| TSN | Temperature Sender
| Others |
| TSN | Temporal Segment Networks
| Others |
| TSN | Terminal Switching Network
| Others |
| TSN | Terran Stellar Navy
| Others |
| TSN | The Saab Network
| Others |
| TSN | The Saunders Network
| Others |
| TSN | The Sausage Network
| Others |
| TSN | The Science Network
| Others |
| TSN | The Secret Network
| Others |
| TSN | The Selling Network
| Others |
| TSN | The Shopping Network
| Others |
| TSN | The Sidneycrosby Network
| Others |
| TSN | The Sierra Network
| Others |
| TSN | The Simpsons Network
| Others |
| TSN | The Social Network
| Others |
| TSN | The Somali Nation
| Others |
| TSN | The Sporting News
| Others |
| TSN | The Sports Network
| Others |
| TSN | The Sportsmasters Network
| Others |
| TSN | The Student Network
| Others |
| TSN | Thermal Spray Non
| Others |
| TSN | Thin Sheet Nutsert
| Others |
| TSN | Tianjin, Mainland China
| Others |
| TSN | Time Sensitive Networking
| Others |
| TSN | Time Sensitive Networks
| Others |
| TSN | Time Since New
| Others |
| TSN | Tire Service Network
| Others |
| TSN | TLC Secure Network
| Others |
| TSN | Toronto Sports Network
| Others |
| TSN | Total Sports Network
| Others |
| TSN | Touch Screen NO option
| Others |
| TSN | Track Supervision Net
| Others |
| TSN | Trackline Single-Unit Non-Return
| Others |
| TSN | Transition Security Network
| Others |
| TSN | Transitional Security Network
| Others |
| TSN | Transmission Sequence Number
| Others |
| TSN | Transmission Switch Neutral
| Others |
| TSN | Trauma Survivors Network
| Others |
| TSN | Travel Source Network
| Others |
| TSN | Treatment Solutions Network
| Others |
| TSN | Triptone Sulfite Neomycine
| Others |
| TSN | Triumph Stag Network
| Others |
| TSN | troy The System Now
| Others |
| TSN | Trunk Switched Network
| Others |
| TSN | Try Sports Not
| Others |
| TSN | Tswana
| Others |