Kaito is a Japanese name whose meaning depends on the kanji chosen; the most common writings combine kai, "ocean" or "sea", with to, which can mean "soar" or refer to the Big Dipper. It has been one of the most popular boys' names in Japan since the 2000s. In the United States Kaito is used mostly by Japanese American families, ranking number 3478 in 2000, peaking at number 1879 in 2022 and standing at number 2085 among boys' names in 2025.