Kouji is a common Japanese name that can refer to various individuals. It is often used for boys and can be written with different kanji characters, each carrying unique meanings. The name is popular in Japan and may be associated with various cultural figures, including artists, athletes, and fictional characters. In addition to being a name, Kouji can also refer to specific concepts in Japanese culture, such as Kouji (麹), which is a type of mold used in fermentation processes for making traditional foods like miso and sake. This mold plays a crucial role in Japanese cuisine and is essential for producing these staple products.