Dian is a distinctive girls' name in United States, ranking #14015 in 2001 with 6 recorded births. The name reached its all-time peak in 1998 with 10 births ranking #8773. Since 1996, the popularity has decreased by 14.3%. In 2001, approximately 1 in every 300,093 girls born was named Dian. STABLE Recent data shows the name is currently stable.