| Name | Origin | Meaning | Gender | Save |
| Theseus | Shakespearean | A Midsummer Night's Dream' Duke of Athens. | M | ![]() |
| Thessalonica | Biblical | Victory against the Thessalians | M | ![]() |
| Thetis | Greek | Mother of Achilles. | F | ![]() |
| Theudas | Biblical | Flowing with water. | F | ![]() |
| Theudas | Biblical | Flowing with water. | M | ![]() |
| Theyn | English | Follower. | M | ![]() |
| Thia | Greek | Divine. | F | ![]() |
| Thialfi | Norse | A mythical servant of Thor. | M | ![]() |
| Thibaud | French | Rule of the peop]e. | M | ![]() |
| Thieny | French | Rule of the peop]e. | M | ![]() |
| Thierry | French | French given name from an older Germanic name meaning 'powerful; ruler of the people.'. | M | ![]() |
| Thierry | Teutonic | People's rule. | M | ![]() |
| Thilo | Teutonic | People's rule. | M | ![]() |
| Thir | Norse | Wife of Thrall. | F | ![]() |
| Thira | Greek | Untamed. | F | ![]() |
| Thirsa | Hebrew | Variant of Thirza: Pleasantness; acceptance; delightful. | F | ![]() |
| Thirza | Hebrew | Pleasantness; acceptance; delightful. | F | ![]() |
| Thisbe | Greek | Lover of Pyramus. | F | ![]() |
| Thisby | Shakespearean | A Midsummer Night's Dream' Flute, a bellows-mender, acts as Thisby in the play within the play. | M | ![]() |
| Thjalfi | Norse | A mythical servant of Thor. | M | ![]() |
| Thokk | Norse | A female disguise Thor used to keep Balder from returning to life. | F | ![]() |
| Thom | Aramaic | Diminutive of Thomas: Twin. | M | ![]() |
| Thom | English | Derives from Thomas 'Twin.'. | M | ![]() |
| Thoma | Hebrew | Twin. | M | ![]() |
| Thomas | Aramaic | Twin. | M | ![]() |
| Thomas | Biblical | A twin | M | ![]() |
| Thomas | Hebrew | Twin. | M | ![]() |
| Thomas | Shakespearean | 'Henry IV' Duke of Clarence. Thomas Wart, country soldier. 'Henry VI' Thomas Horner, armourer. 'Henry VIII' Sir Thomas Lovell. 'Measure for Measure' A friar. 'King Henry VI, III', 'Henry VIII' Duke of Norfolk. 'King Richard III' Sir Thomas Vaughan. | M | ![]() |
| Thomasin | Aramaic | Feminine form of Thomas: Twin. | F | ![]() |
| Thomasin | Hebrew | Twin. | F | ![]() |
| Thomasina | Aramaic | Feminine form of Thomas: Twin. | F | ![]() |
| Thomasine | Aramaic | Feminine form of Thomas: Twin. | F | ![]() |
| Thomdic | English | From the thorny dike. | M | ![]() |
| Thomkins | English | Little Tom. | M | ![]() |
| Thompson | English | Derives from Thomas 'Twin.'. | M | ![]() |
| Thomsina | Hebrew | Twin. | F | ![]() |
| Thor | Danish | Mythical god of thunder. | M | ![]() |
| Thor | Norse | God of thunder. | M | ![]() |
| Thor | Scandinavian | Thunder. Mythological Thor was the Norse god of thunder and one of the sons of Odin. Thursday was named for Thor. | M | ![]() |
| Thor | Swedish | God of thunder. | M | ![]() |
| Thora | Danish | Feminine form of Thor. | F | ![]() |
| Thora | Greek | Watcher. | F | ![]() |
| Thora | Norse | Goddess. | F | ![]() |
| Thora | Scandinavian | Feminine name honouring Thor, head of the Norse pantheon and god of thunder. | F | ![]() |
| Thora | Teutonic | Thunder. | F | ![]() |
| Thorald | Norse | Thor ruler. | M | ![]() |
| Thoraldtun | English | From the thunder estate. | M | ![]() |
| Thorarin | Norse | Son of Thorkol. | M | ![]() |
| Thorbert | Norse | The glorious Thor. | M | ![]() |
| Thorbert | Teutonic | Glorious as Thor. | M | ![]() |
| Thorberta | Norse | Brilliance of Thor. | F | ![]() |
| Thorbiartl | Norse | The glorious Thor. | M | ![]() |
| Thorbiartr | Norse | Brilliance of Thor. | F | ![]() |
| Thorbjorg | Norse | Protected by Thor. | F | ![]() |
| Thorbum | Norse | Bear of Thor. | M | ![]() |
| Thord | Norse | Son of Viking. | M | ![]() |
| Thordia | Norse | Spirit of Thor. | F | ![]() |
| Thordis | Norse | Spirit of Thor. | F | ![]() |
| Thordissa | Norse | Spirit of Thor. | F | ![]() |
| Thorfinn | Norse | Thunder Finn. | M | ![]() |
| Thorfinna | Norse | Wife of Thorstein Kuggason. | F | ![]() |
| Thorgerd | Norse | Thor's protection. | F | ![]() |
| Thorgils | Norse | Father of Ingiald. | M | ![]() |
| Thorgrim | Norse | Brother of Onund Bild. | M | ![]() |
| Thorgunn | Norse | Thor's fighter. | F | ![]() |
| Thorgunna | Norse | Thor's fighter. | F | ![]() |
| Thorhadd | Norse | Son of Stein. | M | ![]() |
| Thorhalla | Norse | Daughter of Asgrim. | F | ![]() |
| Thorhild | Norse | Thor's maiden. | F | ![]() |
| Thorhilda | Norse | Thor's maiden. | F | ![]() |
| Thorian | Scandinavian | Thunder. Variant of Thor. Surname. | M | ![]() |
| Thoridyss | Norse | Spirit of Thor. | F | ![]() |
| Thorin | Scandinavian | Variant of Thor 'Thunder.' Surname. | M | ![]() |
| Thorir | Norse | Goddess. | F | ![]() |
| Thorir | Norse | Son of Asa. | M | ![]() |
| Thorkatla | Norse | Wife of Mord. | F | ![]() |
| Thorkel | Norse | A sorcerer. | M | ![]() |
| Thorlak | Norse | Bishop of Skalholt. | M | ![]() |
| Thorleif | Norse | Thor's descendant. | M | ![]() |
| Thorleik | Norse | Son of Bolli. | M | ![]() |
| Thorley | English | Thorn wood/clearing; from Thor's meadow. | M | ![]() |
| Thorley | Teutonic | From Thor's meadow. | M | ![]() |
| Thormod | Norse | Son of Odd. | M | ![]() |
| Thormond | English | Thor's protection. | M | ![]() |
| Thormund | English | Thor's protection. | M | ![]() |
| Thorn | English | Town of thorns. Thornton variant. Surname. | M | ![]() |
| Thorndike | English | From the thorny dike. | M | ![]() |
| Thorndyke | English | From the thorny dike. | M | ![]() |
| Thorne | English | From the thom tree. | M | ![]() |
| Thornley | English | From the thorny meadow. | M | ![]() |
| Thornly | English | From the thorny meadow. | M | ![]() |
| Thornton | English | Town of thorns. Thorn variants are English surnames occasionally used as given names. | M | ![]() |
| Thornton | Gaelic | Town of thorns. Thorn variants are English surnames occasionally used as given names. | M | ![]() |
| Thorntun | English | From the thorn tree farm. | M | ![]() |
| Thorolf | Norse | Thor's wolf. | M | ![]() |
| Thorp | English | From the village. | M | ![]() |
| Thorpe | English | From the village. | M | ![]() |
| Thorpe | Teutonic | From the hamlet. | M | ![]() |
| Thorsson | Scandinavian | Variant of Thor 'Thunder.' Surname. | M | ![]() |
| Thorstein | Norse | Thor's rock. | M | ![]() |