Wa (倭code: ja is deprecated , "Jepang, orang Jepang", dari bahasa Tionghoa 倭code: zh is deprecated Wō atau Wa) adalah nama tertua Jepang yang tercatat dalam sejarah. Para juru tulis Tiongkok, Korea, dan Jepang pada zaman kuno sering menuliskannya untuk menyebut Yamato. Karakter 倭code: zh is deprecated ("kurcaci") digunakan hingga abad ke-8. Setelah itu, orang Jepang mengganti karakter ini dengan 和 yang berarti "harmoni, kedamaian, keseimbangan".

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