Ju Wenjun
 Ju Wenjun in 2024 | |
| Personal information | |
|---|---|
| Born | 31 January 1991 Shanghai, China |
| Chess career | |
| Country | China |
| Title | Grandmaster (2014) |
| 2018–present (2018May, 2018Nov, 2020, 2023, 2025) | |
| FIDE rating | 2553 (September 2026) |
| Peak rating | 2604 (March 2017) |
Ju Wenjun (Chinese: 居文君; pinyin: Jū Wénjūn; born 31 January 1991) is a Chinese chess grandmaster. She is the reigning five-time Women's World Champion, a former Women's World Blitz Chess Champion, and a two-time Women's World Rapid Chess Champion. In March 2017, she became the fifth woman to achieve a rating of 2600. She first won the title of Women's World Chess Champion in May 2018. She defended her title in November 2018, 2020, 2023, and 2025.