| Native Name: | 日本民主党 |
| Merged: | Liberal Democratic Party |
| Ideology: | Conservatism |
| Position: | Right-wing[1] |
| Country: | Japan |
The was a conservative[2] political party in Japan. Existing from 1954 to 1955, the party was founded by Ichirō Hatoyama, former foreign minister Mamoru Shigemitsu and future Prime Minister Nobusuke Kishi.[2] The party was formed on 24 November 1954, by merging Ichiro Hatoyama's group which left the Liberal Party in 1953, and the Shigemitsu-led Kaishintō party. On 15 November 1955, the Japan Democrats merged with the Liberals to form the modern Liberal Democratic Party.