The Nihon Ki-In Championship was a Go competition.
The tournament ran from 1954 to 1975. It was later merged with the Kansai Ki-In Championship to form the Tengen.
| Player | Years Held |
|---|---|
| Takagawa Kaku | 1954, 1962, 1963 |
| Sakata Eio | 1955 - 1961, 1964, 1965, 1973 - 1975 |
| Ohira Shuzo | 1966 - 1969, 1972 |
| Ishida Yoshio | 1970, 1971 |