| Thecodontosaurus | Thecodontosaurus |
| Theda Bara | Theda Bara |
| thee | tu |
| Thee and thou | Dare del tu |
| theft | furto |
| thefts | furti |
| Theia | Teia |
| Theilenhofen | Theilenhofen |
| Theilheim | Theilheim |
| theine | teina |
| their | loro |
| theirs | loro |
| theism | teismo |
| Theisseil | Theisseil |
| Thelephorales | Thelephorales |
| Thelocactus | Thelocactus |
| Thelodonti | Thelodonti |
| Thelon River | Thelon |
| Thelonious Monk | Thelonious Monk |
| Thelxinoe | Telsinoe |
| them | le |
| Them municipality | Them |
| thematic | tematico |
| Thematic Apperception Test | Thematic Apperception Test |
| theme | soggetto |
| Themis | Temi |
| Themis family | Famiglia Temi |
| Themistius | Temistio |
| Themisto | Temisto |
| Themistocles | Temistocle |
| themselves | loro |
| then | poi |
| then the light went out | mancata |
| Thenardite | Thenardite |
| thenceforth | da allora |
| Thenceforwards | Per conseguenza |
| Thengel | Thengel |
| Theo de Raadt | Theo de Raadt |
| Theo van Doesburg | Theo van Doesburg |
| Theo van Gogh | Theo Van Gogh |
| Theo Walcott | Theo Walcott |
| Theobald | Teobaldo |
| Theobald Boehm | Theobald Boehm |
| Theobald I of Blois | Tebaldo I di Navarra |
| Theobald I of Navarre | Tebaldo I di Navarra |
| Theobald II of Navarre | Tebaldo II |
| Theobald of Bavaria | Teodebaldo |
| Theobald von Bethmann Hollweg | Theobald von Bethmann-Hollweg |
| Theobald Wolfe Tone | Theobald Wolfe Tone |
| theobromine | teobromina |
| theocracy | teocrazia |
| Theocrasy | Teocrazia |
| Theocritus | Teocrito |
| Theodahad | Teodato |
| Theodatus | Teodato |
| Theodbert of Bavaria | Teodeberto di Baviera |
| Theodelinda | Teodolinda |
| Theodemar | Teodemaro |
| Theodemir | Teodemaro |
| Theodemund | Teodemondo |
| theodicy | teodicea |
| Theodo of Bavaria | Teodone II di Baviera |
| theodolite | teodolite |
| Theodor Adorno | Theodor Adorno |
| Theodor Billroth | Theodor Billroth |
| Theodor Brorsen | Theodor Brorsen |
| Theodor de Bry | Johann Theodor de Bry |
| Theodor Herzl | Theodor Herzl |
| Theodor Heuss | Theodor Heuss |
