Dia is a distinctive boys' name in United States, ranking #12613 in 2021 with 5 recorded births. This places Dia in the bottom 10% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 7 births ranking #10034. In 2021, approximately 1 in every 349,647 boys born was named Dia. FALLING Recent data shows the name is currently falling.