The 2012 Matsumoto Yamaga FC season sees Matsumoto Yamaga compete in J.League Division 2 for the first time after being promoted from the 2011 Japan Football League.

Matsumoto Yamaga are also competing in the 2012 Emperor's Cup.

As of March 4, 2012 Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.

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