Naoko Sato (佐藤 直子, Satō Naoko, born 2 January 1955^[1]) is a retired Japanese professional tennis player.

Naoko Sato best results came in the doubles. She reached final of 1978 Australian Open with Pam Whytcross which they lost to Betsy Nagelsen and Renáta Tomanová in straight sets.

Result	Year	Championship	Surface	Partner	Opponents	Score
Loss	1978	Australian Open	Hard	Pam Whytcross	Betsy Nagelsen Renáta Tomanová	5–7, 2–6

Result	W/L	Date	Tournament	Surface	Partner	Opponents	Score
Loss	0–1	Dec 1978	Australian Open, Melbourne	Hard	Pam Whytcross	Betsy Nagelsen Renáta Tomanová	5–7, 2–6
Win	1–1	Oct 1982	Borden Classic, Tokyo, Japan	Hard	Brenda Remilton	Laura duPont Barbara Jordan	2–6, 6–3, 6–3
Loss	1–2	Oct 1982	Japan Open, Tokyo, Japan	Hard	Brenda Remilton	Laura duPont Barbara Jordan	2–6, 7–6, 1–6
Loss	1–3	Oct 1983	Borden Classic, Tokyo, Japan	Hard	Brenda Remilton	Chris O'Neil Pam Whytcross	7–5, 6–7, 3–6

• Naoko Sato at the Women's Tennis Association
• Naoko Sato at the International Tennis Federation
• Naoko Sato at the Billie Jean King Cup (archived)