| Stuarrt | A guardian of the estate. |
| Styrling | A person of high quality. |
| Sunjit | Hindi name, meaning 'gift of the sun' |
| Sveinn | Scandinavian name, meaning 'boy' or 'young warrior' |
| Swaine | English surname, derived from a word meaning 'young warrior' |
| Sy | Short form of names starting with 'Sylvia' or 'Sydney' |
| Sybille | French name, derived from a word meaning 'forest' or 'woods' |
| Sylar | Derived from the name Silas, meaning 'forest' or 'woodland' |
| Syllyvan | Little dark eyes |
| Symyan | One who is heard by the Lord. |
| Taio | Japanese name meaning 'great, excellent, or magnificent' |
| Taisie | French name meaning 'to praise' or 'to commend' |
| Taissa | Russian name meaning 'to praise' or 'to commend' |
| Taiten | Japanese name meaning 'great, excellent, or magnificent' |
| Taitlynn | Combination of Japanese and Welsh names, meaning 'great' and 'beautiful' |
| Taivan | Chinese name meaning 'great, excellent, or magnificent' |
| Taiya | Japanese name meaning 'great, excellent, or magnificent' |
| Tajia | Arabic name meaning 'to be praised' or 'to be commended' |
| Tajuana | God is gracious |
| Takvor | To make something strong or powerful |
| Talaina | To make something beautiful or lovely |
| Talaya | To make something free or unrestricted |
| Taleah | To make something gentle or soothing |
| Taliana | To make something elegant or refined |
| Talina | Pure, unsullied |
| Talini | To make something delicate or dainty |
| Talise | To make something easy or effortless |
| Talitha Cumi | Young woman, arise |
| Tallak | To make something clear or transparent |
| Talley | To make something count or enumerate |
| Talmun | To make something calm or tranquil |
| Talyia | Hebrew name meaning 'my God is my salvation'. |
| Talynn | Variant of Talin, meaning 'pure' or 'innocent' in Hebrew. |
| Talyse | Derived from French, meaning 'to be beautiful' or 'to be lovely'. |
| Tamaira | Date palm, a palm tree |
| Tamaki | Hawaiian name meaning 'calm' or 'peaceful'. |
| Tamala | Derived from Sanskrit, meaning 'to be calm' or 'to be peaceful'. |
| Tamarind | Derived from Sanskrit, meaning 'date palm tree'. |
| Tamaris | Derived from Greek, meaning 'date palm tree'. |
| Tamarra | A Hebrew name meaning palm tree. |