[ 4 syll. se-bas-tiaa(n), seb-astia-an ] The baby boy name Sebastiaan is pronounced as Seh-BAES-Tiy-aaae-N †. Sebastiaan is used predominantly in the Dutch and German languages. It is derived from Old Greek origins. Sebastiaan is a variation of the name Sebastian (English, French, German, Scandinavian, and Spanish).
Sebastiaan is not frequently used as a baby boy name. It is not listed in the top 1000. In 2015, among the family of boy names directly linked to Sebastiaan, Sebastian was the most commonly used.
† English pronunciation for Sebastiaan: S as in "see (S.IY)" ; EH as in "ebb (EH.B)" ; B as in "be (B.IY)" ; AE as in "at (AE.T)" ; T as in "tee (T.IY)" ; IY as in "eat (IY.T)" ; AA as in "odd (AA.D)" ; N as in "knee (N.IY)"