Topanga is a distinctive girls' name in United States, ranking #4400 in 2015 with 33 recorded births. The name reached its all-time peak in 1998 with 48 births ranking #2796. Since 1996, the popularity has increased by 200.0%. In 2015, approximately 1 in every 54,080 girls born was named Topanga. FALLING Recent data shows the name is currently falling.