Harmonii is a distinctive girls' name in United States, ranking #2788 in 2025 with 61 recorded births. This places Harmonii in the top 16% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2024 with 64 births ranking #2696. In 2025, approximately 1 in every 26,349 girls born was named Harmonii. RISING Recent data shows the name is currently rising.