Justo is a distinctive boys' name in United States, ranking #4131 in 2000 with 19 recorded births. The name reached its all-time peak in 1998 with 29 births ranking #2824. Since 1996, the popularity has decreased by 13.6%. In 2000, approximately 1 in every 103,365 boys born was named Justo. FALLING Recent data shows the name is currently falling.