A tantō is one of the traditionally made Japanese swords that were worn by the samurai class of feudal Japan. The tantō dates to the Heian period, when it was mainly used as a weapon but evolved in design over the years to become more ornate. Tantō were used in traditional martial arts. The term has seen a resurgence in the West since the 1980s as a point style of modern tactical knives, designed for piercing or stabbing.
Tantō with signature (mei) of Shintōgo Kunimitsu. Complete aikuchi-style koshirae (mountings) and bare blade. Kamakura Period, 14th century. Important Cultural Property.
Tantō Terasawa Sadamune, by Sadamune. Kamakura period. National Treasure. Tokyo National Museum.
Tantō made by Soshu Yukimitsu. Kamakura period. National Treasure (top). Mounting for a tantō made by Soshu Yukimitsu. Edo period (bottom).
Tantō by Hyūga Masamune, 24.8 cm (9.8 in), unsigned, formerly in the possession of Ishida Mitsunari, who gave it to his brother-in-law; the tantō was stolen during the Battle of Sekigahara by Mizuno Katsushige, governor of Hyūga Province in the Kamakura period.
A Japanese sword is one of several types of traditionally made swords from Japan. Bronze swords were made as early as the Yayoi period, though most people generally refer to the curved blades made from the Heian period (794–1185) to the present day when speaking of "Japanese swords". There are many types of Japanese swords that differ by size, shape, field of application and method of manufacture. Some of the more commonly known types of Japanese swords are the uchigatana, tachi, ōdachi, wakizashi, and tantō.
Japanese swords. Two tachi with full mountings (middle and bottom right), a sword with a Shirasaya-style tsuka (top right), a wakizashi (top left), and various tsuba (bottom left).
A range of Japanese blade types, from left to right: naginata, ken, tantō, katana (uchigatana) and tachi (not to scale).
Tachi. The blade was made by Masatsune. Blade, 12th century; mounting, 18th century. Tokyo National Museum
A katana forged by Hizen Tadayoshi I. (Saijo Ō Wazamono) Azuchi–Momoyama period. (top) Katana mounting, Late Edo period. (bottom)