This list includes 6 Martial arts that start with I, ranging from “Iaido” to “Iwama-ryu”. These styles are mostly traditional, often Japanese in origin, and used for self-defense, cultural practice, and sport.

Martial arts that start with I are a subset of traditional and modern systems beginning with the letter I. Many originate in Japan, with Iaido as a notable sword-centered example and Iwama-ryu linked to Aikido history.

Below you’ll find the table with Name, Origin, Focus, Founding period and Notes.

Name: The common style name, so you can identify and search for the art quickly.

Origin: Shows the country or region where the style developed, helping you understand cultural context.

Focus: Describes primary emphasis—striking, grappling, weapons or hybrid—so you know practical training priorities.

Founding period: Gives an approximate year, decade, or century to place the art in historical perspective.

Notes: Short remarks on variants, notable practitioners, or disputed details that help you interpret the entry.

Martial arts that start with I

Name Origin (country) Primary focus Founding period Description
Iaido Japan Weapons Early 20th century Modern Japanese sword art emphasizing smooth drawing, cutting and re-sheathing; evolved from battlefield iaijutsu and codified as solo and paired practice.
Iaijutsu Japan Weapons 16th century Traditional samurai sword combatives focusing on rapid draw-and-strike techniques used on the battlefield; practical, combat-oriented predecessor to modern iaido.
Itto-ryu Japan Weapons 16th century Classical kenjutsu school founded by Itō Ittōsai, highly influential in samurai sword pedagogy and the basis for many later Japanese sword systems.
Iga-ryu Japan Hybrid 15th–16th century Ninja tradition from Iga Province combining espionage, unarmed combat and weapons training; a key historical source for ninjutsu practices and lore.
Isshin-ryu Japan Striking 1956 Okinawan karate style founded by Tatsuo Shimabuku blending Shorin-ryu and Goju-ryu elements, known for vertical fist strikes and practical self-defense techniques.
Iwama-ryu Japan Grappling 1950s Aikido lineage associated with Morihiro Saito, emphasizing fundamental ukemi, joint controls, throws and integrated weapons practice.

Descriptions

Iaido
Iaijutsu
Itto-ryu
Iga-ryu
Isshin-ryu
Iwama-ryu
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