Asano Naganori (?? ??, September 28, 1667 – April 21, 1701) was the daimyo of the Ako Domain in Japan (1675–1701).
His title was Takumi no Kami (???).
He is known as the person who triggered a series of incidents retold in a story known as Chushingura (involving the Forty-seven ronin), one of the favourite themes of kabuki, joruri, and Japanese books and films.