This list is of the Historic Sites of Japan located within the Prefecture of Nagano.
As of 10 March 2015, thirty-five sites have been designated as being of national significance (including one *Special Historic Site).
As of 1 March 2015, seventy Sites have been designated as being of prefectural importance.
As of 1 May 2014, a further six hundred and seventy-six Sites have been designated as being of municipal importance.