Cognomen Tokubun (Tokubun ) , globally, is an extremely rare surname. Much more frequently, Tokubun is the forename as well as the last name.
トクブン
Io, Yamamoto, Nakajima, Shibata, Shingai, Yokura, Toyoda, Takeda, Kimura, Kojima, Suzuki, Sasaki, Morita, Ikeda, Kanda, Miura, Kato, Ito, Kobayashi, and Yamashita
) , globally, is an extremely rare surname. Much more frequently, Tokubun is the forename as well as the last name.