Hara Takashi (原 敬 February 9,1856 - November 4,1921) was a Japanese politician and the 19th Prime Minister from September 29,1918 to November 4,1921. He is also called Hara Kei, Hara Satoshi.

He was born in Iwate prefecture.

Preceded by:
Terauchi Masatake
Prime ministers of Japan Succeeded by:
Takahashi Korekiyo