Adachi Morinaga (安達 盛長) (1135–1200) was a Japanese warrior from the Adachi clan who fought for Minamoto no Yoritomo against the Taira.

Morinaga had already supported Yoritomo while he lived in exile in Izu province.

[1] After the wars, he became a monk and took the name Rensai (蓮西).

[2] This article incorporates text from OpenHistory.

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