Sara Saito

is a Japanese tennis player. She has a career-high singles ranking of 159 WTA, achieved on 16 December 2024. On 20 April 2026, she peaked at No. 215 in the WTA doubles rankings.

Career 2023: Juniors She has a career-high combined junior ranking of 2, achieved on 29 May 2023. She had a disappointing performance in the singles draw of the 2023 Australian Open, losing in the first round to Australian wildcard Stefani Webb. She reached the final of the doubles with fellow Japanese Hayu Kinoshita, losing to Renáta Jamrichová and Federica Urgesi. She was top seeded in the girls' singles tournament at the 2023 French Open, after winning two titles in South America.

2024: First quarterfinal on WTA Tour debut Saito made her WTA Tour main-draw debut as a wildcard at the 2024 Japan Women's Open, defeating Jéssica Bouzas Maneiro and fifth seed Elina Avanesyan to reach her first WTA Tour quarterfinal. Her run was ended in straight sets by Kimberly Birrell. She entered the WTA 500 Pan Pacific Open as a lucky loser, making her debut at this level but lost to qualifier and compatriot Sayaka Ishii.

ITF Circuit finals

Singles: 7 (4 titles, 3 runner-ups) LegendW100 tournaments (1–0)W75 tournaments (0–2)W50 tournaments (1–1)W25/35 tournaments (2–0)Finals by surfaceHard (1–3)Clay (1–0)Carpet (2–0)

Doubles: 3 (2 titles, 1 runner-up) LegendW75 tournaments (1–1)W25/35 tournaments (1–0)Finals by surfaceHard (1–1)Carpet (1–0)

Junior Grand Slam tournament finals

Doubles: 3 (3 runner-ups)