Kiyo is a distinctive boys' name in United States, ranking #10385 in 2022 with 7 recorded births. This places Kiyo in the bottom 27% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 8 births ranking #9352. In 2022, approximately 1 in every 249,196 boys born was named Kiyo. RISING Recent data shows the name is currently rising.