Hatoyama Ichirō (鳩山 一郎 January 1,1883 - March 7,1959) was a Japanese politician and the 52nd (December 10,1954 - March 19,1955), 53rd (March 19,1955 - November 22,1955) and 54th (November 22,1955 - December 23,1956) Prime Minister.

He was born in Tokyo.

Preceded by:
Ashida Hitoshi
Prime ministers of Japan Succeeded by:
Ishibashi Tanzan