Vianca is a distinctive girls' name in United States, ranking #2344 in 2004 with 74 recorded births. This places Vianca in the top 12% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 96 births ranking #2066. In 2004, approximately 1 in every 24,812 girls born was named Vianca. FALLING Recent data shows the name is currently falling.