What does Sebastian mean?
Sebastian — saint, composer (Bach), Bridgerton character — has been a top-30 boys' name for decades. Stately + classic.
Origin
Religious / cultural tradition
Christian
Variations
Sebastian · Sebastien
Nicknames
Seb · Basti
Sibling name ideas
More boy names like Sebastian
Meanings + cultural notes are educational summaries reflecting common scholarly + linguistic interpretations. Spellings, meanings + pronunciations can vary by region + family tradition.