Otsuka Kanran was a confucian scholar in late Edo Period.
Otsuka Kanran was born in 1761. He was the son of Seisai, Confucian retainer of Takanabe Clan.
Studied Ansai Yamazaki's school of Confucian learning under Mokusai Ui, succeeding his father, as Confucian instructor of Takanabe Clan. Among his disciples were Nishfl Bito, Ritsuzan Shibano and Kansen Okada.