Vianca is a distinctive girls' name in United States, ranking #5926 in 2011 with 23 recorded births. The name reached its all-time peak in 2006 with 96 births ranking #2066. Since 1996, the popularity has decreased by 68.5%. In 2011, approximately 1 in every 76,470 girls born was named Vianca. FALLING Recent data shows the name is currently falling.