Sohei Miyashita (宮下 創平, Miyashita Sohei, 10 November 1927 – 7 October 2013) was a Japanese politician who served as Minister of Health and Welfare from 1998 to 1999, Director-General of the Environmental Agency from 1994 to 1995 and Director-General of the Defense Agency from 1991 to 1992.

In December 1990 he became director of the LDP General Affairs Bureau, which handled election measures.

Miyashita was appointed director general of the Japan Defense Agency in the cabinet of Prime Minister Kiichi Miyazawa on 5 November 1991, and served in the post until 12 December 1992.

[3] Miyashita succeeded Shin Sakurai in the post when the latter resigned from office due to his statements about the role of Japan in World War II.

[9][10] He left in January 1999 and was again made subcommitee chairman of the LDP Tax Commission in July 2000.