Katsuhiko Yamada (山田 勝彦) (born 19 July 1979) is a Japanese politician of the Constitutional Democratic Party of Japan. He was elected to the National Diet of Japan for Nagasaki 3rd district in a 2024 by-election. He is a candidate in Nagasaki 2nd district in the 2026 Japanese general election.
Source: “Katsuhiko Yamada (politician)”, English Wikipedia (CC BY-SA 4.0), excerpt