Johnna is a distinctive girls' name in United States, ranking #7658 in 2025 with 14 recorded births. The name reached its all-time peak in 1997 with 157 births ranking #1172. Since 1996, the popularity has decreased by 90.5%. In 2025, approximately 1 in every 114,805 girls born was named Johnna. FALLING Recent data shows the name is currently falling.