| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Theoderich | - | Ancient Germanic | ||
| Theodoar | - | Ancient Germanic | ||
| Theodoard | - | Ancient Germanic | ||
| Theodora | thee-ə-DAWR-ə (English) | English, Greek, Ancient Greek | ||
| Theodoricus | - | Ancient Germanic (Latinized) | ||
| Theodoros | - | Greek, Ancient Greek | ||
| Theodorus | - | Ancient Greek (Latinized), Dutch | ||
| Theodosia | - | Ancient Greek, Greek | ||
| Theodosios | - | Ancient Greek | ||
| Theodosius | - | Ancient Greek (Latinized) | ||
| Theodotos | - | Ancient Greek | ||
| Theodotus | - | Ancient Greek (Latinized) | ||
| Theodoulos | - | Ancient Greek | ||
| Theodulus | - | Ancient Greek (Latinized) | ||
| Theokleia | - | Ancient Greek |