| Siddheshvari | Goddess of the Blessed |
| Siddhitha | Ability of Success |
| Siddiah | A name meaning perfection. |
| Siddie | A variant of the name Sidney. |
| Siddigue | True Friend To Confirm The Truth |
| Sidelufu | One who brings great prosperity. |
| Sidhali | A person of pure, divine nature. |
| Sidhama | One who achieves spiritual goals. |
| Sidhana | A seeker of wisdom and success. |
| Sidhika | One who attains all her desires. |
| Sidhila | A soul that is calm and gentle. |
| Sidida | One who is blessed with success. |
| Sidiga | A person of strong character. |
| Sidika | One who is truthful and honest. |
| Sidiqa | Wisdom Intelligence |
| Sidnee | A wide meadow near the river. |
| Sidni | A variant of Sidney meaning wide meadow. |
| Sidny | A variant of Sidney meaning wide island. |
| Sidrat | Derived from the sacred lotus tree. |
| Sidrath | A name meaning the lotus tree of heaven. |
| Siediu | A name meaning one who is very lucky. |
| Sieglinde | Soft, Gentle, Victory, Friendly |
| Siegrid | Victory through Beauty |
| Siegrida | Victory through Beauty |
| Siem | A name meaning to listen or to hear. |
| Sien | A name meaning a gift from the heavens. |
| Siennah | A name meaning reddish brown earth. |
| Siera | A name meaning a sawtoothed mountain. |
| Sieva | A name meaning a living, vibrant soul. |
| Sifana | A name meaning pure or bright. |
| Sifani | One who is radiant and clear. |
| Sifavat | A name signifying true wisdom. |
| Sifaya | One who brings light and hope. |
| Sifayath | A name meaning divine grace. |
| Siffana | One who is gentle and refined. |
| Sifled | A name meaning noble spirit. |
| Sifna | One who is calm and peaceful. |
| Sig | Victorious Peace |
| Sigalit | A name meaning violet flower. |
| Sigebehrt | One who is bright and bold. |