Mariko is a common Japanese name that can be used for both girls and women. The name often means "child of the truth" or "child of the circle," depending on the kanji characters used. It is popular in Japan and can be found in various forms of media, including literature and film. In Japanese culture, names like Mariko can carry significant meaning and are often chosen based on the hopes and aspirations of the parents. The name may also be associated with notable figures, such as Mariko Shinoda, a member of the famous Japanese idol group AKB48.