This list is of the Historic Sites of Japan located within the Prefecture of Toyama.
As of 1 August 2019, twenty-one Sites have been designated as being of national significance, including the Kaga Domain Maeda Clan Graves and Kaetsu border castle ruins, which span the prefectural borders with Ishikawa.
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As of 1 May 2019, thirty Sites have been designated as being of prefectural importance.
As of 1 May 2019, a further one hundred and eighty-five Sites have been designated as being of municipal importance.
As of 1 July 2019, one Monument has been registered (as opposed to designated) as an Historic Site at a national level.