The name Bastien is a boy's name of Spanish, French, Latin origin meaning "person from ancient city of Sebastia". Bastien and is often added to lists like Cool Boys’ Names—Rare, Unique and Unusual and discussed in our forums with posts like "Names on NB that make you go WOW!".
From the experts:
In this form, or as Sebastian or as Bas, Bastien is a fashionable Euro name with a possible future in America.
There is a one-act comic opera by Mozart titled Bastien and Bastienne.
An alternate spelling is Bastian, which was used by Jeremy Sisto for his son.