Miyanaka Dam

{{Expand Japanese|宮中ダム|topic=struct|date=August 2011}}

{{Use dmy dates|date=November 2019}}

{{Infobox dam

| name =Miyanaka Dam

| image =Miyanaka dam discharge.jpg

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| location = Niigata Prefecture, Japan

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| coordinates = {{coord|37|04|00|N|138|41|53|E|type:landmark_region:JP|display=inline,title}}

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}}

Miyanaka Dam ({{langx|ja|宮中ダム}}) is a dam in the Niigata Prefecture, Japan, completed in 1938.{{cite web | url=http://damnet.or.jp/cgi-bin/binranA/enAll.cgi?db4=0735 | title=Miyanaka Syusui Dam ［Niigata Pref.］ | publisher=damnet.or.jp | accessdate=2 November 2019 }}