Petar is a distinctive boys' name in United States, ranking #5998 in 2017 with 15 recorded births. The name reached its all-time peak in 2006 with 21 births ranking #4465. Since 1996, the popularity has decreased by 16.7%. In 2017, approximately 1 in every 123,354 boys born was named Petar. FALLING Recent data shows the name is currently falling.