Vianca is a distinctive girls' name in United States, ranking #2605 in 1999 with 55 recorded births. The name reached its all-time peak in 2006 with 96 births ranking #2066. Since 1996, the popularity has decreased by 24.7%. In 1999, approximately 1 in every 32,251 girls born was named Vianca. FALLING Recent data shows the name is currently falling.