Boy Name
Sebastien
Sebastien is a boy's name whose meaning is not firmly attested in the historical record. It is used as a boy's name across several naming traditions, and it is rare in the United States today — outside the SSA top 1,000.
Sebastien — a boy name — is an uncommon, standout choice. If Sebastiano is on your shortlist, Sebastien belongs in the same conversation.
Sebastien meaning, origin, and usage
Meaning: Sebastien has a distinctive sound and evolving modern usage.
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Sebastien as S·E·B·A·S·T·I·E·N, with 9 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Sebastien is an uncommon, standout choice in the Rare tier.
Sebastien variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Sebastiena, Sebastiene, Sebastieny, Sebastie.
- Nicknames: Sebas and S.
- Middle names: Pair Sebastien with a middle name that balances its substantial sound; start with the Sebastien middle name generator.
- Sibling names: Sebastiano, Sebastian, Seven, Selden, Severiano — full picks on the sibling names for Sebastien guide for a cohesive sibset.
- Similar names: Looking for names that sound like Sebastien? Browse our names like Sebastien guide for phonetic-neighbor picks.
- Explore more: use the Baby Name Explorer, name search, AI name generator, and Baby Name Studio homepage.
Frequently asked about Sebastien
What does the name Sebastien mean?
Sebastien has no single meaning that is firmly attested in the historical record. It is used as a boy name in US birth records, and parents usually choose it for its sound rather than a documented meaning.
What is the origin of Sebastien?
The exact origin of Sebastien is debated, but it has been used across multiple naming traditions.
How do you pronounce Sebastien?
Sebastien has 9 letters and is most commonly stressed on the first syllable.
Is Sebastien a boy's or girl's name?
Sebastien is primarily used as a boy's name in US records.
How popular is Sebastien in 2026?
In our 2026 popularity tracker, Sebastien sits in the Rare tier — an uncommon, standout choice.
What names are similar to Sebastien?
Names that share Sebastien's sound and style include Sebastiano, Sebastian, Seven, Selden, Severiano.
What middle names pair well with Sebastien?
Good middle-name fits for Sebastien pair an opposite syllable rhythm: if Sebastien is short, lean longer (e.g. classical or three-syllable middles); if Sebastien is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Sebastien?
Sibling names that pair naturally with Sebastien share its rhythm without rhyming — Sebastiano, Sebastian, Seven all sit comfortably alongside it on a shortlist.