Tsutomu Tomioka (冨岡 勉, Tomioka Tsutomu, born July 4, 1948) is a Japanese doctor and former politician who served in the House of Representatives in the Diet (national legislature) as a member of the Liberal Democratic Party.

A native of Nakama, Fukuoka, Tomioka attended Nagasaki University, earning a doctoral degree in medicine.

[1] Tomioka was elected for the first time in 2005 after serving in the local assembly of Nagasaki Prefecture from 1999 to 2003.

Tomioka is a member of Médecins Sans Frontières, among other organizations.

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