| Name | Meaning | Gender | Origin |
|---|
| Tabasco | American spicy sauce made from red peppers. | Male | |
| Tabitha | gazelle, roe-buck | Female | Aramaic |
| Taboo | | Male | |
| Tac | | Unisex | |
| Taco | A folded fried tortilla filled with meat, cheese and spices. | Unisex | |
| Taffy | Sticky candy | Male | Welsh |
| Talulah | Leaping Water | Unisex | Native American |
| Tang | | Unisex | |
| Tangerine | From Tangiers
| Female | Word |
| Tango | | Male | |
| Tangy | | Unisex | |
| Tank | A large metal container. A heavily armed combat vehicle | Unisex | |
| Tanner | leather worker | Male | English |
| Tao | Philosophy and religion of China. | Unisex | |
| Tarbaby | | Unisex | |
| Tash | born on Christmas Day | Female | English |
| Tasha | Russian diminutive of Natalya, birthday of the Lord | Female | English |
| Tater | | Male | |
| Taz | | Male | |
| Tazzy | | Unisex | |
| Teddy | From Edward - Prosperous guardian | Unisex | |
| Teeko | | Unisex | Hebrew |
| Tess | fourth born | Female | English |
| Thor | Viking mythology: the ruler of the weather | Male | Norse |
| Thunder | Sound produced from lightning | Unisex | |