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Matsudaira Nobutsune (松平 信庸, September 22, 1844 – March 5, 1918) was the 9th daimyō of Kaminoyama Domain in Dewa Province during Bakumatsu period Japan, and the 15th chieftain of the Fujii Matsudaira clan. His courtesy title was Yamashiro-no-kami.