Katsumasa Suzuki (鈴木 克昌, Suzuki Katsumasa, born 14 November 1943) is a former Japanese politician who served as a member of House of Representatives for the Tomorrow Party of Japan.

He was previously a member of the Democratic Party of Japan.

Born in Gamagōri, Aichi he graduated from Nihon University with a degree in economics.

He was elected for the first time in 2003 after an unsuccessful run in 2000.

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