The Sano Art Museum (佐野美術館, Sano Bijutsukan) is a private art museum, located in the Nakata neighborhood of the city of Mishima, Shizuoka Prefecture, central Japan.

The museum was founded in 1966 by Mishima-born Sano Ryūichi, founder of the chemical company Tekkōsha and recipient of the Second Order of the Sacred Treasure.

The highlight of the Sano Art Museum collection is a naginata halberd from the 14th century Kamakura period.

The blade portion has a length of 44.2 cm (17.4 in), and it is signed Made by Nagamitsu of Osafune in Bizen Province (備前国長船住人長光造, Bizen no kuni Osafune-jū Nagamitsu tsukuru).

Other items in the collection include sculptures (one Important Cultural Property), Noh masks, textiles and accessories, ceramics, Japanese dolls, items of calligraphy and paintings.