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Title: Tantō  
Author: World Heritage Encyclopedia
Language: English
Subject: Japanese sword, Yoroidōshi, Daishō, Seppuku, Katana
Collection: Blade Weapons, Japanese Knives, Japanese Sword Types, Japanese Words and Phrases, Military Knives, Samurai Weapons and Equipment
Publisher: World Heritage Encyclopedia


Tantō with signature (Mei) of Kunimitsu. Complete aikuchi style koshirae (mountings) and bare blade.
Type Japanese sword
Blade length avg. 15–30 cm (5.9–11.8 in)

Blade type Double or single edged, straight bladed

A tantō (短刀, "short blade")[1][2] is one of the traditionally made Japanese swords[3] ()[4][5] 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 (tantojutsu) and saw a resurgence of use in the West in the 1980s as the design made its way to America and is a common blade pattern found in modern tactical knives.


  • Description 1
  • History of Tantō in Japan 2
    • Heian to Muromachi 2.1
    • Momoyama to the Early Edo Period 2.2
    • Late Edo Period 2.3
    • Meiji to present 2.4
  • Types of Tantō 3
    • Blade types 3.1
    • Mountings (koshirae) 3.2
    • Other tantō 3.3
  • Use in martial arts 4
  • See also 5
  • References 6
  • External links 7


The tantō is commonly referred to as a

  • Nihonto forum
  • Japanese Sword Index and Visual Glossary

External links

  1. ^ a b , John M. Yumoto, Tuttle Publishing, 1989 P.47The samurai sword: a handbook
  2. ^ Tanto
  3. ^ , William E. Deal, Oxford University Press US, 2007 P.161Handbook to life in medieval and early modern Japan
  4. ^ , Author Manouchehr Moshtagh Khorasani, Publisher Peter Lang, 2008, ISBN 3-03911-711-4, ISBN 978-3-03911-711-6 P.150The Development of Controversies: From the Early Modern Period to Online Discussion Forums, Volume 91 of Linguistic Insights. Studies in Language and Communication
  5. ^ , Authors Evans Lansing Smith, Nathan Robert Brown, Publisher Penguin, 2008, ISBN 1-59257-764-4, ISBN 978-1-59257-764-4 P.144The Complete Idiot's Guide to World Mythology, Complete Idiot's Guides
  6. ^ Styles in the Shape of Blades
  7. ^ Kaiken
  8. ^ a b , Kanzan Satō, Kodansha International, 1983 P.68The Japanese sword
  9. ^ , Bruce D. Clayton, Black Belt Communications, 2004 P106Shotokan's Secret: The Hidden Truth Behind Karate's Fighting Origins
  10. ^ , Kanzan Satō, Kodansha International, 1983 P.68The Japanese sword
  11. ^ Clive Sinclaire (1 November 2004). Samurai: The Weapons and Spirit of the Japanese Warrior. Lyons Press. pp. 40–58.  
  12. ^ トム岸田 (24 September 2004). 靖国刀. Kodansha International. p. 42.  
  13. ^ Satō, Kanzan (1983). Joe Earle, ed. The Japanese sword; Volume 12 of Japanese arts library. Kodansha International. pp. 62–64.  
  14. ^ a b Satō (1983) p. 68
  15. ^ Sinclaire, Clive (2004). Samurai: The Weapons and Spirit of the Japanese Warrior. Globe Pequot. p. 59.  
  16. ^ a b Steele, David (1981). "Japanese Daggers". Black Belt (Black Belt, Inc.) 19 (2): 55–60. 
  17. ^ Unusual tantō
  18. ^ Pacella, Gerard (2002). 100 Legendary Knives. Krause Publications. pp. 124–126.  
  19. ^ "American Tanto - Blade Geometry Knife FAQ". Retrieved 2014-05-27. 


See also

Tantō with blunt wooden or blunt plastic blades are used to practice martial arts. Versions with a blunt metal blade are used in more advanced training and in demonstrations. Martial arts that employ the tantō include:

Use in martial arts

  • Kaiken tantō: The kuaiken (also kwaiken or futokoro-gatana) is a generally short tantō that is commonly carried in aikuchi or shirasaya mounts. It was useful for self-defense indoors where the long katana and intermediate wakizashi were inconvenient. Women carried them in the obi for self-defense and rarely for jigai (ritual suicide). A woman received a kaiken as part of her wedding gifts.
  • : The fan tantō is a common tantō with a blade entirely concealed within a fan-shaped scabbard. The blade was usually low quality, as this tantō was not designed to be a display piece, but rather a concealed weapon for self-defense.
  • : Japanese spearheads were often altered so that it became possible to mount them as tantō. Unlike most blades, yari tantō had triangular cross-sections.
  • : This is also not truly a tantō, though it is often used and thought of as one. Ken were straight, double-edged blades often used for Buddhist rituals, and could be made from spearheads that were broken or cut shorter. They were often given as offerings from sword smiths when they visited a temple. The hilt of the ken tantō may be found made with a vajra (double thunderbolt related to Buddhism).
  • Modern tantō: Modern tactical knives have been made by knife makers Bob Lum, Phill Hartsfield, Ernest Emerson, Allen Elishewitz, Bob Terzuola, Strider Knives, Harold J. "Kit" Carson, Benchmade, Spyderco, Severtech, Ka-Bar, SOG Knives, and Cold Steel.[18] These "American Tantō" designs feature a thick spine on the blade that goes from the tang to the tip for increased tip strength.[19] The handle shape may be altered slightly to provide better ergonomics.[16]

Other tantō

  • Aikuchi: The aikuchi is a where the fuchi is flush with the mouth of the sheath. There is no handguard. Aikuchi normally have plain wooden hilts, and many forms of aikuchi have kashira that are made from animal horns.
  • Hamidashi: The hamidashi is a that features a small handguard.

Mountings (koshirae)

  • Shinogi: This is the most common type of blade geometry for long swords, but tantō made in this form are very rare, usually created from cut-down blades when a longer sword has been broken. Shinogi means the central ridge that runs along the length of the blade between the edge bevels and the body of the blade.
  • Hira: A very common tantō form with no shinogi, the edge bevels reaching all the way from the edge (ha) to the back (mune) with no separate flats in between, creating an almost triangular cross-section (the back is ridged, as on most other blade forms, so the cross-section is actually an extremely asymmetrical diamond shape; on shinogi zukuri blades it is hexagonal). It is extremely common due to the simplicity of its design.
  • Shobu: A common blade type that is very similar to the shinogi zukuri, except that it lacks a yokote, the distinct angle between the long cutting edge and the point section, and instead the edge curves smoothly and uninterrupted into the point.
  • Kanmuri-otoshi: These tantō were shaped in hira or shobu style but from about half way to the tip the back edge was sharpened though this second edge was not particularly sharp. They had a groove running halfway up the blade and were similar to the unokubi style tantō.
  • Unokubi: An uncommon tantō style akin to the kanmuri-otoshi, with a back that grows abruptly thinner around the middle of the blade, but in the unokubi zukuri it regains its thickness just before the point. There is normally a short, wide groove extending to the midway point on the blade.
  • Kissaki-moroha: A rare blade type with a double-edged point. Unlike the later kanmuri-otoshi the tip had a distinct shape unlike any other tanto: the back edge would curve slightly downwards so that the point was lower than the back of the blade whereas other tanto had the point in line with the back of the blade. Often they had a wide groove in the base half. The most well known historical blade of this type is the tachi Kogarasu Maru, "Little Crow", one of the National Treasures of Japan.
  • Osoraku: Osoraku zukuri features an extremely long o-kissaki type point, over half the blade's length.
  • Hochogata: A tantō form that is commonly described as a short, wide, hira. The hochogata was one of the blade type that the legendary swordsmith Masamune favored.
  • Katakiriha: An asymmetric tantō form, sharpened only on one side to create a chisel-shaped cross-section.
  • Moroha: A rare, double-edged tantō type that has a diamond-shaped cross-section. The blade tapers to a point and contains a shinogi that runs to the point.
  • Kubikiri: A very rare type; the sharpened blade is on the inside curve rather than the outside. It has no sharpened point, making it difficult to use in battle and enshrouding the weapon in mystery. Kubikiri can be roughly translated to “head cutter”. According to one myth, they were carried by attendants of samurai for cutting off the heads of fallen enemies. There are other speculations existing about the kubikiri’s possible uses. Perhaps they were used by doctors or carried by high-ranking officials as a badge is worn today. They could also have been used for cutting charcoal or incense, or used as an artistic tool for pruning bonsai trees.[17]
  • Yoroi toshi or yoroi doshi: tantō that have particularly thick cross-sections for armor-piercing duty.
The general blade shape is approximately 25 cm long, 17 mm wide (near the tang), 8.0 mm thick (near the tang) and approximately straight. Actual historical examples would vary in length, width, thickness and curvature. (The hira and kiriha sides of the katakiriha blade have been swapped to allow the tip to point consistently to the left while still showing the chisel-like side.)

Blade types

Types of Tantō

mass-produced tactical knives featuring the tantō blade design from American knifemaker Bob Lum's original design. Cold Steel In the 1980s, manufacturer [16] American and European interest in Japanese martial arts since the war created a demand for the tantō outside Japan from the 1960s through the present time.[15] Many tantō were forged before

Meiji to present

There were still few tantō being forged during this period, and the ones that were forged reflected the work of the Kamakura, Nambokucho, or Muromachi eras. Suishinshi Masahide was a main contributor towards the forging of tantō during this age.[14] There are now only prehistoric tantō being used in combat.

Late Edo Period

Approximately two hundred fifty years of peace accompanied the unification of Japan, in which there was little need for blades. With weapon smiths given this time, both the katana and wakizashi were invented, taking the place of the tantō and tachi as the most-used pair of weapons, and the number of tantō forged was severely decreased. The only tantō produced during this period of peace were copies of others from earlier eras.[14]

Antique Japanese tantō shown dis-assembled, British Museum.

Momoyama to the Early Edo Period

[13] During the era of the

The tantō was invented partway through the Kyoto and Yamato. Because of the style introduced by the tachi in the late Kamakura period, tantō began to be forged longer and wider. The introduction of the Hachiman faith became visible in the carvings in the tantō hilts around this time. The hamon (line of temper) is similar to that of the tachi, except for the absence of choji-midare, which is nioi and utsuri. Gunomi-midare and suguha are found to have taken its place.

Tantō by Hyūga Masamune, 24.8cm, Unsigned Masamune, Formerly in the possession of Ishida Mitsunari who gave this sword to the husband of his younger sister; the sword was stolen during the Battle of Sekigahara by Mizuno Katsushige, governor of Hyūga Province, Kamakura period, around Shōō to Karayaku eras (1288–1328), Mitsui Memorial Museum, Tokyo, Japan.

Heian to Muromachi

  • Jokoto (ancient swords, until around 900 A.D.)
  • Koto (old swords from around 900–1596)
  • Shinto (new swords 1596–1780)
  • Shinshinto (new new swords 1781–1876)
  • Gendaito (modern swords 1876–1945)[11]
  • Shinsakuto (newly made swords 1953–present)[12]

The production of swords in Japan is divided into specific time periods:

History of Tantō in Japan

It has been noted that the tachi would be paired with a tantō and later the uchigatana would be paired with another shorter uchigatana. With the advent of the katana, the wakizashi eventually was chosen by samurai as the short sword over the tantō. Kanzan Satō in his book The Japanese sword notes that there did not seem to be any particular need for the wakizashi and suggests that the wakizashi may have become more popular than the tantō due to the wakizashi being more suited for indoor fighting. He mentions the custom of leaving the katana at the door of a castle or palace when entering while continuing to wear the wakizashi inside.[10]

[8].wakizashi and a katana and a tantō as opposed to a tachi combination, it was common for a samurai to carry a wakizashi/tantō especially on the battlefield. Before the advent of the [9][8],daishō in a wakizashi in place of a shōtō. Tantō were sometimes worn as the self-defense primarily for obi in their [7]kaiken, as commoners did not generally wear them. Women sometimes carried a small tantō called a samurai. Tantō were mostly carried by yoroi toshi. Some tantō have particularly thick cross-sections for armor-piercing duty, and are called katana structure of a shinogi-zukuri meaning that their sides have no ridge line and are nearly flat, unlike the [6][1]

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