Sebastien is a distinctive boys' name in United States, ranking #1723 in 2023 with 97 recorded births. The name reached its all-time peak in 2007 with 178 births ranking #1058. Since 1996, the popularity has increased by 51.6%. In 2023, approximately 1 in every 17,614 boys born was named Sebastien. FALLING Recent data shows the name is currently falling.