Mao Saigo

(born 8 October 2001) is a Japanese professional golfer. She plays on the LPGA of Japan Tour where she won three of the first five tournaments of the 2022 season, and the LPGA Tour.

Career Saigo was born in Funabashi in Greater Tokyo and won the Japan Women's Amateur Championship in 2019.

She turned professional and joined the LPGA of Japan Tour in 2020. In 2021, she was runner-up seven times to finish 4th on the 2020–21 money list.

Saigo finished second at the LPGA Final Qualifying Tournament in 2023 to earn her LPGA Tour card for 2024. In 2024, she had seven top-10 finishes including runner-up finishes at the CPKC Women's Open and Buick LPGA Shanghai. She earned LPGA Rookie of the Year honors.

Amateur wins 2019 Japan Women's Amateur Championship

Professional wins (7) LPGA Tour wins (1) Legend Major championships (1) Other LPGA Tour (0)

LPGA Tour playoff record (1–0)

LPGA of Japan Tour wins (6) ^Tournament shortened due to adverse conditions.

Major championships Wins (1) 1 Defeated Duncan, Kim, Yin and Jutanugarn with a birdie on the first hole of a sudden death playoff.

Results timeline Results not in chronological order.

CUT = missed the half-way cut T = tied

Summary Most consecutive cuts made – 7 (2025 Evian – 2026 Women's British Open, current) Longest streak of top-10s – 3 (2024 Women's British Open – 2025 U.S. Women's Open)

Team appearances Professional International Crown (representing Japan): 2025