Paris - Île-de-France
- Singhathip
- Singler
- Singleton
- Siniavski
- Siniscalchi
- Sinius
- Sinka
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- Sinner
- Sinoquet
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- Sinteff
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- Sintive
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- Siobud
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- Sior
- Siouda
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- Siracusa
- Sirault
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- Sirine
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- Siré
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- Sisti
- Sisto
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- Sitterle
- Siudmak
- Siv
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- Sivaganam
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- Sivanathan
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- Sivek
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- Skala
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- Sklower
- Skondric
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- Skoric