| Thayammai | Mother Goddess, a term of reverence in Hinduism, particularly in the worship of Durga and Kali. |
| Theoda | A name meaning people of the tribe. |
| Theofania | A name meaning manifestation of God. |
| Theressa | A name meaning to reap or gather. |
| Thinzar | Thinzar is a Burmese name meaning 'golden' or 'shining' and is often associated with wealth and prosperity. |
| Thrity | Thirty, a numerical value, often used as a suffix in names to signify a specific quantity or rank. |
| Thubaitah | Name of a Sahabiyyah RA |
| Tiaa | An aunt; daughter born to royalty |
| Ticha | Nobleman; an aristocrat |
| Tieesha | A name meaning a living woman. |
| Tierany | Meaning a descendant of a lord. |
| Tiia | A name meaning a godly person. |
| Tiina | Meaning a pure and holy person. |
| Tikia | A name meaning a joyful spirit. |
| Tinna | Meaning a small, petite woman. |
| Tinny | A name meaning a tiny person. |
| Tirthali | Tirthali is a Sanskrit name meaning 'one who is devoted to sacred places or pilgrimages'. |
| Tirthati | Crosses or traverses, a term used in Hindu scriptures to describe a river or a journey. |
| Tirtzah | Tirtzah is a Hebrew name meaning 'my delight' or 'my joy', derived from the word 'tzah' meaning joy. |
| Tishal | A name of unknown origin. |
| Tishala | Tishala is a Sanskrit name meaning 'one who is blessed with good fortune and prosperity'. |
| Tishna | A name meaning deep desire. |
| Titty | A term of endearment or pet. |
| Tocara | Beloved; friend |
| Tokhmesarv | King of the land of the Tokhmes, a region in ancient Sogdiana, Bactria, or modern-day Uzbekistan. |
| Tonia Javae | Worthy of praise |
| Tonii | A form of Anthony, priceless. |
| Tonni | A variant meaning praiseworthy. |
| Tonnia | A name meaning highly valued. |
| Tonyea | A name meaning flourishing one. |
| Tonyetta | A feminine form of Anthony. |
| Tonyia | A variant meaning flourishing. |
| Toosa | A name meaning a gentle breeze. |
| Toria | A form of tori; tory |
| Touba | Name of a tree in paradise; also excellent; best |
| Touran | Name Of A Place In Shahnameh |
| Toyaja | Born from the water of the ocean. |
| Trenna | Trenna is a variant of the name Trina, meaning 'strong and powerful' or 'warrior'. |
| Treslyn | Treslyn is a Welsh surname derived from the words 'tri' meaning three and 'lys' meaning court or mansion. |
| Tripade | Three-lined poem |