| Name | Meaning | Gender | Origin |
|---|
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |
| Suzy | Lily | Unisex | English |
| Tabasco | American spicy sauce made from red peppers. | Male | |
| Taco | A folded fried tortilla filled with meat, cheese and spices. | Unisex | |
| Tango | | Male | |
| Tara | A hill where the kings met
| Female | Irish |
| Tempest | storm | Female | Word |
| Thor | Viking mythology: the ruler of the weather | Male | Norse |
| Tia | Aunt
| Female | Spanish |
| Tigger | from Winnie the Pooh | Unisex | |
| Tony | priceless one | Male | English |
| Tornado | Violently rotating funnel shaped cloud. | Female | Spanish |
| Torque | | Unisex | Hebrew |
| Trixie | she who brings happiness | Female | Latin |
| Trixie | she who brings happiness | Female | Latin |
| Troy | Descendant of the curly haired ones | Male | Irish |
| Tsunami | Tidal wave | Unisex | |
| Tucker | Tucker of doth
| Male | English |
| Turbo | Driven by a turbine - turbocharged | Unisex | |
| Twister | A cyclone or tornado. | Unisex | |
| Typhoon | great wind | Male | Chinese |
| Vertigo | | Unisex | Hebrew |
| Vida | life | Female | Spanish |
| Vito | Vital
| Male | Latin |
| Viva | Life | Female | Italian |