| Siawash | Derived from Persian, means 'lion' or 'bringer of good fortune' |
| Sibany | Derived from Arabic, means 'gift' or 'blessing' |
| Sibghatullah | Colour of Allah |
| Sibkathullah | Derived from Arabic, means 'gift of God' |
| Sibten | Derived from Arabic, means 'gift of heaven' |
| Siddeeqeen | Derived from Arabic, means 'followers of the truth' |
| Siddeeqoon | Derived from Arabic, means 'followers of the truth' |
| Siddeeque | Derived from Arabic, means 'follower of the truth' |
| Siddiqin | Derived from Arabic, means 'followers of the truth' |
| Siddiqur | Derived from Arabic, means 'true follower' |
| Sidhik | Derived from Arabic, means 'blessed' or 'fortunate' |
| Sidran | Derived from Arabic, means 'gift' or 'blessing' |
| Sifaan | Derived from Arabic, means 'blessed' or 'fortunate' |
| Sifaat | Derived from Arabic, means 'blessings' or 'attributes' |
| Sifaks | Unknown origin, possibly a variant of 'Sifak', a type of lemur |
| Sifal | Derived from Arabic, means 'beautiful' or 'lovely' |
| Sifan | Derived from Arabic, means 'beauty' or 'loveliness' |
| Sifanur | Derived from Arabic, means 'beautiful' or 'lovely' |
| SifarishKhan | Derived from Persian, means 'one who brings good fortune' |
| Sifraan | Derived from Arabic, means 'beautiful' or 'lovely' |
| Sifran | Derived from Arabic, means 'beauty' or 'loveliness' |
| Sihaan | Derived from Arabic, means 'beautiful' or 'lovely' |
| Sihad | Derived from Arabic, means 'good' or 'excellent' |
| Silaam | A person who brings peace and calm. |
| Silhad | Derived from Arabic, means 'good' or 'excellent' |
| Siliman | Derived from Arabic, means 'peace' or 'tranquility' |
| Simaak | Derived from Arabic, means 'peace' or 'tranquility' |
| Simsarul | Derived from Arabic, means 'one who brings peace' |
| Sinanuddin | Derived from Arabic, means 'gracious' or 'generous' |
| Sineen | Derived from Arabic, means 'gracious' or 'generous' |
| Sinshad | Derived from Arabic, means 'good' or 'excellent' |
| Sinwaan | Palm Trees Grow from Same Root |
| Siraat | The straight and righteous life path. |
| Siraatullah | Derived from Arabic, means 'path of God' |
| Siraaz | Derived from Arabic, means 'one who guides' |
| Sirajaddin | Derived from Arabic, means 'light of the faith' |
| Sirajdeen | Derived from Arabic, means 'light of the faith' |
| Sirajeddin | Prince of the light of faith |
| SirajudDawlah | Prince of the light of the ruler |
| Sirajuddeen | Prince of the light of the faith |