Kasai is a distinctive boys' name in United States, ranking #1749 in 2024 with 94 recorded births. The name reached its all-time peak in 2025 with 437 births ranking #639. Since 1996, the popularity has increased by 1,780.0%. In 2024, approximately 1 in every 18,248 boys born was named Kasai. RISING Recent data shows the name is currently rising.