Sunao Sato

{{short description|Japanese Go player}}

{{Infobox go player

| name=Sunao Sato

| image=

| fullname=Sunao Sato

| kanji=佐藤 直男

| birth_date=1924

| birth_place=Japan

| death_date={{death date and age|2004|7|8|1924|1|1}}

| rank=9 dan

}}

{{nihongo|Sunao Sato|佐藤 直男|Satō Sunao|extra=1924 – July 8, 2004}} was a professional Go player.

Sato was a 9 dan who played in the Kansai Ki-in. He had many pupils, including Yuki Satoshi,{{cite web |url=https://gobase.org/information/players/?pp=Yuki+Satoshi |title=Yuki Satoshi |website=GoBase}} Izumo Tetsuya, Maeda Ryo, and Furuya Yutaka. Sato became a 9 dan in 1963.