| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 321 | Tahkeome | NativeAmerican | Little robe (Cheyenne). | M | |
| 322 | Tahmelapachme | NativeAmerican | Dull knife (Cheyenne). | M | |
| 323 | Taima | NativeAmerican | Thunder. | M | |
| 324 | Takoda | NativeAmerican | Friend to everyone (Sioux). | M | |
| 325 | Tangakwunu | NativeAmerican | Rainbow (Hopi). | M | |
| 326 | Tasunke | NativeAmerican | Horse (Dakota). | M | |
| 327 | Tatanka ptecila | NativeAmerican | Short bull (Dakota). | M | |
| 328 | Tate | NativeAmerican | He who talks too much. | M | |
| 329 | Teetonka | NativeAmerican | Talks too much (Sioux). | M | |
| 330 | Telutci | NativeAmerican | Bear making dust (Miwok). | M | |
| 331 | Tihkoosue | NativeAmerican | Short (Algonquin). | M | |
| 332 | Tocho | NativeAmerican | Mountain lion (Hopi). | M | |
| 333 | Togquos | NativeAmerican | Twin (Algonquin). | M | |
| 334 | Tohopka | NativeAmerican | Wild beast (Hopi). | M | |
| 335 | Tokala | NativeAmerican | Fox (Dakota). | M | |
| 336 | Tooantuh | NativeAmerican | Spring frog (Cherokee). | M | |
| 337 | Tse | NativeAmerican | Rock (Navajo). | M | |
| 338 | Tsiishch'ili | NativeAmerican | Curly haired (Navajo). | M | |
| 339 | Tuketu | NativeAmerican | Bear making dust (Miwok). | M | |
| 340 | Tupi | NativeAmerican | To pull up (Miwok). | M | |