| Name | Meaning | Gender | Origin |
|---|
| Speedy | Rapid motion, swift. | Unisex | |
| Spritzer | Drink made from wine and carbonated water | Unisex | |
| Suri | princess | Female | Hebrew |
| Susie | Hebrew, lily | Female | English |
| Swift | | Unisex | |
| Taz | | Male | |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tornado | Violently rotating funnel shaped cloud. | Female | Spanish |
| Ultra | | Unisex | Hebrew |
| Wildwood | | Unisex | Hebrew |
| Wiz | | Unisex | Hebrew |
| Zebra | Horse like African mammals with distinct black and white stripes. | Unisex | |
| Zeki | Wise | Male | Turkish |
| Zippy | | Unisex | |
| Zorro | Means fox in Spanish. | Male | |