The surname "Kato" is of Japanese origin and is commonly found in Japan. It can be written with various kanji characters, each carrying different meanings. The name is often associated with families and individuals in Japan, and it may also appear in other countries due to migration. In addition to its Japanese roots, "Kato" can also be a surname in other cultures, including African and Indian communities. Notable individuals with the surname include Kato Kaelin, an American actor and television personality, and Kato Kawanami, a Japanese politician.