The was a political party in Japan.
The Japan Liberal Party was founded on November 9, 1945, mainly by former members of Seiyukai Party, with Ichirà  Hatoyama being its first leader. From 1946-1954 the next party leader Shigeru Yoshida served as Prime Minister.
In 1948 the Japan Liberal Party merged with Kijà «rà  Shidehara's , and a faction of the Democratic Party led by Saità  Takao, to form the .