| Sudrophone | 423.232.2 | — | — |
| Suling | 421.211.12 | — | Indonésie |
| Suona | 422.112 | Cor anglais | — |
| Superbone | 423.2 | Valve trombone | — |
| Surma | 422.112 | Chalemie | — |
| Svirel | 421.222.12 | — | — |
| Taepyeongso | 422.112 | Instrument à anche double | — |
| Tambin | 411.111.22 | Bois | — |
| Tarka | 421.221.12 | — | — |
| Tarota | 422.112 | Bois | — |
| Tarpu | 422.22 | Instrument à anche simple | Gujarat |
| Taxi horn | 412.13 | Instrument à anche libre | — |
| Tenorhorn | 423.232 | Baryton | — |
| Terzarola | 422.122 | — | Italie |
| Tible | 422.112 | Instrument à anche double | — |
| Tilinca | 421.111-1 | — | — |
| Tin whistle | 421.221.12 | — | — |
| Tournebout | 422.111.2 | — | — |
| Trembita | 423.121-12 | Instrument à vent | — |
| Tritonicon | 422.112 | — | — |
| Trombone | 423.22 | Trompette à coulisse | — |
| Trombone alto | 423.22 | Trombone | — |
| Trombone basse | 423.22 | Trombone | — |
| Trombone contrebasse | 423.22 | Trombone | — |
| Trombone piccolo | 423.22 | Trombone | — |
| Trombone soprano | 423.22 | Trombone | — |
| Trombonium | 423.233.2 | Valve trombone | — |
| Tromboon | 422.111 | Instrument à anche double | — |
| Trompetica china | 422.112 | Suona | — |
| Trompette | 423.233 | — | — |
| Trompette basse | 423.233.2 | — | — |
| Trompette en bouleau | 423.121.11 | — | — |
| Trompette naturelle | 423.1 | Cuivre | — |
| Trompette piccolo | 423.233 | — | — |
| Trompette à clés | 423.211 | — | — |
| Trompette à coulisse | 423.22 | Trompette à coulisse | — |
| Trompette à coulisse | 423.22 | Cuivre chromatique | — |
| Trutruca | 423.1 | Trompette naturelle | — |
| Tuba | 423.232 | basse | — |
| Tuba romaine | 423.121.1 | — | — |
| Tuba sous-contrebasse | 423.232 | — | — |
| Tuba wagnérien | 423.231-12 | — | — |
| Tubax | 422.212-71 | Instrument à anche simple | — |
| Tumpong | 421.111.12 | — | — |
| Txirula | 421.221.12 | — | Béarn |
| Txistu | 421.221.12 | — | — |
| Tárogató | 422.212 | — | — |
| Uilleann pipes | 422.122.2+422.221.1 | Cornemuse | Irlande |
| Upright serpent | 423.213 | Serpent | — |
| Valve trombone | 423.233.2 | Trombone | — |
| Valve trumpet | 423.233 | — | — |
| Valved ophicleide | 423.232 | Ophicléide | — |
| Vessel flute | 421.13 | — | — |
| Vienna horn | 423.232 | — | — |
| Vienna valve trombone | 423.233.2 | Valve trombone | — |
| Vuvuzela | 423.121.12 | Trompette | Afrique du Sud |
| Washint | 421.111.12 | — | — |
| Whirly tube | 412.22 | — | — |
| Willow whistle | 421.221.311 | Flûtes à conduit | — |
| Wooden horn | 423.121.21 | — | — |