Ginzo Matsuo (?? ??, Matsuo Ginzo, December 26, 1951 – August 25, 2001) was a Japanese voice actor who was born in Nakatsu, Oita, Japan as Koichi Matsuo (????, Matsuo Koichi).
He was part of Aoni Production, but he established Gin Production in 1997.
He was most known for the roles of Hemu-Hemu (Nintama Rantaro) and Ginnosuke Nohara (Crayon Shin-chan).
On August 25, 2001, he died from acute subarachnoid hemorrhage.
He was 49 years old.
His final role was in One Piece as Captain Smoker.