Shorin-ryu Shidokan (小林流志道館, Shōrin-ryū Shidōkan) is the main branch of Shorin-ryū style of Okinawan karate, started by Katsuya Miyahira, Hanshi 10th Dan.

In October 1948, Katsuya Miyahira opened his first karate dojo in Kanehisa, Nishihara, Okinawa,[1] after receiving his Shihan (4th rank) Certificate from Chōshin Chibana.

[4] "Shidō" was taken from the Analects by Confucius, chapter seven, verse six in book four of the twenty volume collection; which reads: Determine in your heart to forever follow the way.Stay close to the sun of virtue and do not stray.Trust in the power of benevolence for support.Take pleasure from these abilities.

[3] Shidokan, like most Chibana-ha or Kobayashi schools, is generally characterized by relatively high stances (typical of self defense karate), quick and light movements, and explosive power.

[3] Miyahira Shidokan dojo's guidelines: Try to perfect one's own personality Cultivate the spirit of making constant efforts Admonish one's own youthful ardor Value good manners [6] Kata is never concrete in performance or interpretation.

Proper Spirit: Conduct: Today, Shidō-kan is one of the largest styles of karate in Okinawa, with over 25 dojo in the prefecture.

[7] Within Okinawa, Shidō-kan is well known for its success in the Okinawan Bare Knuckle karate tournaments, largely due to Koichi Nakasone.

[12] In the early 1990s, Miyazato left Shidō-kan to head his own style of karate but a few years later rejoined Miyahira's Shidokan Organization.

He has a dojo in Albion, Victoria and he is also a representative of Okinawa Shorin ryu Karate-do Kyokai in Australia appointed by the President of The Association, Takeshi Miyage.

In subsequent years, Yonamine's students spread Shidō-kan throughout Brazil to the cities of Piracicaba, São Paulo, Santos and Itajubá.

He is a student of Iha and had a dojo in Guelph, Ontario which was closed in 2023. after 25 years of operation when Sensei Roy Paul retired from regular teaching.

Seikichi Iha, a student of Miyahira's, was selected and spent 11 months in Manila at the dojo of Latino Gonzalez.

[40] Before coming to Michigan, Iha Sensei trained students in Okinawa, Japan, the Philippines, Guam, and Los Angeles, California.

His Lansing dojo is now the headquarters of the Beikoku Shidokan Association for more than 30 North American schools and is frequently visited by karate practitioners from around the globe.

Iha moved to Lansing, Michigan in April 1975, and began teaching at the Original Okinawa Karate Dojo.

[7] Within Okinawa, Shidō-kan is well known for its success in the Okinawan Bare Knuckle karate tournaments, largely due to Koichi Nakasone.

The following series of kata are common to all: Kihon, Naihanchi, Pinan, Passai, Kusanku, Chinto, Gojushiho, and Tetsu Shou (created by Miyahira).