Dian is a distinctive girls' name in United States, ranking #10881 in 1996 with 7 recorded births. This places Dian in the bottom 32% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 10 births ranking #8773. In 1996, approximately 1 in every 250,423 girls born was named Dian. STABLE Recent data shows the name is currently stable.