| Dessert | A name meaning a sweet course. |
| Detch | A name meaning a small stream. |
| Dianika | A divine or heavenly being. |
| Dianon | One who is bright and shining. |
| Diipa | A source of light or radiance. |
| Direk | A ruler or a powerful leader. |
| Divya | Divine.; Divine power; Divine Brilliance; Divine lustre; Heavenly, brilliant, extraordinary |
| Djehuty | The ancient Egyptian god Thoth. |
| Djembe | A traditional goblet drum. |
| Dodger | One who avoids or evades well. |
| Dolphin | A playful marine mammal species. |
| Domitia | Belonging to the Roman family. |
| Donkey | A sturdy, longeared beast of burden. |
| Doreah | A name meaning gift from the heavens. |
| Doutzen | A Frisian name meaning little dove. |
| Dovidia | A feminine form of the name David. |
| Drift | To be carried along by a current. |
| Drizzt | A fictional dark elf hero character. |
| Dronavalli | A name of Indian origin for girls. |
| Drostan | A name meaning son of the thirsty one. |
| Drummer | One who plays the percussion drums. |
| Duangjai | A Thai name meaning heart or soul. |
| Dubem | Igbo name meaning stay with me |
| Dya | A name meaning divine or light |
| Dyun | A name meaning light or glow |
| Dyut | A name meaning light or luster |
| Dyutika | A name meaning small ray of light |
| Thales | To blossom or to flourish well. |
| Thoraa | Derived from the god of thunder. |
| Thorny | Covered with sharp, prickly barbs. |
| Thorvinn | A warrior of the thunder god. |
| Thranduil | Vigorous spring or forest ruler |
| Thrawn | Twisted, stubborn, or contrary |
| Thuban | The head of the dragon in stars |
| Thumbelina | A tiny girl the size of a thumb |
| Thunra | Derived from the god of thunder |
| Zai | A name meaning light or radiance. |
| Zalo | A name meaning a wise protector. |
| Zam | A name meaning a strong fortress. |
| Zanskar | A name meaning white copper. |