| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 341 | Tahnee | Russian | Abbreviation of Tatiana which is feminine of the Roman family clan name Tatius. | F | |
| 342 | Tamra | Russian | Palm tree. Variant of Tamar. Biblical Tamara was daughter of King David and sister to Absalom. | F | |
| 343 | Tamryn | Russian | Palm tree. Variant of Tamar. Biblical Tamara was daughter of King David and sister to Absalom. | F | |
| 344 | Tamryn | Russian | Palm tree. Variant of Tamar. Biblical Tamara was daughter of King David and sister to Absalom. | M | |
| 345 | Tania | Russian | Diminutive of Tatiana: Name in honour of an early Christian martyr. | F | |
| 346 | Tanya | Russian | Diminutive of Tatiana: Name in honour of an early Christian martyr. | F | |
| 347 | Tasha | Russian | Abbreviation of Natasha - the Russian form of the English Natalie 'Born at Christmas. | F | |
| 348 | Tasha | Russian | Abbreviation of Natasha - the Russian form of the English Natalie 'Born at Christmas.'. | M | |
| 349 | Tashi | Russian | Abbreviation of Natasha - the Russian form of the English Natalie 'Born at Christmas. | F | |
| 350 | Tassie | Russian | Abbreviation of Natasha - the Russian form of the English Natalie 'Born at Christmas. | F | |
| 351 | Tasya | Russian | Abbreviation of Anastasia 'one who will be reborn. | F | |
| 352 | Tatiana | Russian | Feminine of Roman family clan name Tatius. A saint's name. | F | |
| 353 | Tatianna | Russian | Feminine of Roman family clan name Tatius. A saint's name. | F | |
| 354 | Theda | Russian | God's gift. | F | |
| 355 | Thedya | Russian | God's gift. | F | |
| 356 | Theodosia | Russian | God's gift. | F | |
| 357 | Tolenka | Russian | From the east. | M | |
| 358 | Tolya | Russian | From the east. | M | |
| 359 | Tonya | Russian | Praiseworthy. Abbreviation of Antonina. | F | |
| 360 | Toshiana | Russian | Abbreviation of Natasha - the Russian form of the English Natalie 'Born at Christmas. | F | |