Kato Shin 加藤信 (1891-1952) was a Hoensha professional Go player and later a Nihon Ki-in professional (briefly in Kiseisha), becoming 8-dan in 1942.
Kato lost to Sekiyama Riichi in the first Honinbo title match in 1941.
Kato was a prominent opponent of komi go.
His teacher was Hirose Heijiro. His pupils were Isogawa Masao, Tanaka Minaichi, Kanai Shin'ichi and Tsubouchi Seikan.