Okiharu Yasuoka (保岡 興治, Yasuoka Okiharu, 11 May 1939 – 19 April 2019) was a Japanese politician of the Liberal Democratic Party (LDP), a member of the House of Representatives in the Diet (national legislature).

A native of Kagoshima Prefecture and graduate of Chuo University, he was elected to the House of Representatives for the first time in 1972 as an independent.

[2] An avid jogger and swimmer, Yasuoka repeatedly swam the 2.1 km-wide Kinko Bay in Kagoshima Prefecture.

Yasuoka's son ran, but lost to Hiroshi Kawauchi of the Constitutional Democratic Party of Japan.

[3] Yasuoka died of cancer on 19 April 2019 at a Tokyo hospital, at the age of 79.