Topanga is a distinctive girls' name in United States, ranking #5651 in 2017 with 23 recorded births. The name reached its all-time peak in 1998 with 48 births ranking #2796. Since 1996, the popularity has increased by 109.1%. In 2017, approximately 1 in every 75,038 girls born was named Topanga. FALLING Recent data shows the name is currently falling.