Italian form of Sebastian, from Greek 'sebastos' meaning 'venerable' or 'revered.'
Sebastiano is the full-throated Italian form of Sebastian, itself descended from the Greek Sebastianos — meaning 'one from Sebastia,' an ancient city in Asia Minor whose name derived from sebastos, 'venerable' or 'revered.' The Greek sebastos was a direct translation of the Latin Augustus, so the name carries an imperial resonance stretching back to the age of Roman emperors. It entered Christian consciousness most powerfully through Saint Sebastian, a third-century Roman officer martyred under Diocletian, whose stoic suffering became one of the most painted subjects of the Renaissance — arrows, bound limbs, and an expression of transcendent calm appearing on canvases across Florence, Venice, and Rome.
The Italian Renaissance gave the name its most artistically distinguished bearers. Sebastiano del Piombo, a Venetian painter who moved to Rome and became a rival of Raphael, carried the name to the heights of cinquecento glory. Sebastiano Ricci, the Baroque master from Belluno, further cemented the name's association with Italian aesthetic ambition.
In music, the name appeared in full in Johann Sebastian Bach, where the Italianate middle name reflected the German Baroque world's reverence for all things Italian. Today Sebastiano remains distinctly Italian — a name you encounter in Palermo's markets and Venetian piazzas rather than in anglophone nurseries, where the clipped Sebastian prevails. It carries an aristocratic, unhurried weight: three syllables that ask to be spoken slowly, like a toast at a long dinner. Parents choosing it signal a preference for the unabbreviated, the old-world, the resolutely unpretentious in its pretension.