
Hosai Fujisawa was a professional Go player. Hideyuki Fujisawa is his uncle.

Rina Fujisawa is a Japanese professional Go player.

Wu Qingyuan, better known by the Japanese pronunciation of his name, Go Seigen , was a Chinese-born Japanese master of the game of Go. He is considered by many players to have been the greatest Go player in the 20th century.

Shoji Hashimoto was a professional Go player.

Utaro Hashimoto was a 9-dan professional Go player.

Hon'inbō Dōsaku was a professional Go player.

Hon'inbō Sansa was the assumed name of Kanō Yosaburō , one of the strongest Japanese Go players of the Edo period (1603–1867), and founder of the house of Hon'inbō, first among the four great schools of Go in Japan. He was a Buddhist priest of the Nichiren sect, and his original dharma name was Nikkai (日海).

Shusaku was a Japanese professional Go player during the 19th century. He is known for his undefeated streak of 19 games during the annual castle games; his thirty-game match with Ota Yuzo; the eponymous Shusaku opening; and his posthumous veneration as a "Go sage". Next to his teacher, Hon'inbō Shūwa, he is considered to have been the strongest player from 1847/8 to his death in 1862. He was nicknamed Invincible Shusaku because of his castle games performance.

Hsu Chia-yuan or Kyo Kagen is a Taiwanese Go player who plays professionally in Japan.

Yuta Iyama Kisei, Honinbo, Meijin is a Japanese professional Go player. In April 2016, he became the first player in Japanese history to hold all seven major titles simultaneously. In January 2018, Iyama became the first professional Go player to be awarded Japan's People's Honour Award.

Takeo Kajiwara was a professional Go player.

Satoru Kobayashi is a professional Go player.

Sumire Nakamura is a Japanese professional Go player. She became the youngest ever female professional Go player in Japan on April 1, 2019. She made her professional debut on April 22, 2019 in the preliminary round of the Ryusei tournament in western Japan at age 10 years and one month, breaking the record held by Rina Fujisawa in 2010 at age 11 years and 8 months. She is also the first Go player to turn pro under Nihon Ki-in's special screening system for "prospective, talented" players who can compete with top players from other countries.

Rin Kaihō or Lin Haifeng is a professional Taiwanese Go player who made his name in Japan. He is, along with Cho Chikun, Kobayashi Koichi, Otake Hideo, Takemiya Masaki and Kato Masao, considered one of the 'Six Supers' that dominated Japanese Go world in the last three decades of the twentieth century.

Eio Sakata was a 9-dan Japanese professional Go player.
Kaku Takagawa , also known as Shūkaku Takagawa , was one of the most successful professional Go players of the twentieth century.

Masaki Takemiya is a professional Go player.

Shibano Toramaru is a Japanese Go professional who won the prestigious Meijin tournament in 2019 at age 19, becoming the first teenager to achieve one of the seven major Japanese titles.

Isoroku Yamamoto was a Japanese Marshal Admiral of the Imperial Japanese Navy (IJN) and the commander-in-chief of the Combined Fleet during World War II until his death.

Yukari Yoshihara née Yukari Umezawa is a Japanese Go professional.