Tsutomu Hata (?? ?, Hata Tsutomu, 24 August 1935 – 28 August 2017) was a Japanese politician who served as Prime Minister of Japan for 9 weeks in 1994.
He took over from Morihiro Hosokawa at the head of a coalition government.
Shortly after he had been appointed Prime Minister, the Japanese Socialist Party left the government, leading to his early departure from office.
He was a member of the lower house representing Nagano district #3.