Yoko Komiyama (小宮山 洋子, Komiyama Yōko, born September 17, 1948) is a Japanese politician of the Democratic Party of Japan, a member of the House of Representatives in the Diet (national legislature).

Komiyama is a native of Shibuya, Tokyo.

She graduated from Seijo University, she worked at the public broadcaster NHK from 1972 to 1998.

In September 2011 she was appointed Minister of Health, Labour and Welfare in the cabinet of newly appointed prime minister Yoshihiko Noda.

This article about a Japanese politician born in the 1940s is a stub.