Ou Dongni
Ou Dongni is a badminton player from China. She won the 2015 Singapore Super Series with Yu Xiaohan.
Achievements
East Asian Games
Women's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2013 | Binhai New Area Dagang Gymnasium, Tianjin, China |  Tang Yuanting |  Yuriko Miki Koharu Yonemoto | 21–8, 21–11 | Gold |
BWF World Junior Championships
Girls' doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2010 | Domo del Code Jalisco, Guadalajara, Mexico | Bao Yixin | Tang Jinhua Xia Huan | 21–13, 21–18 | Gold |
Asian Junior Championships
Girls' doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2011 | Babu Banarasi Das Indoor Stadium, Lucknow, India | Xiong Rui |  Chow Mei Kuan Lee Meng Yean | 17–21, 21–17, 16–21 | Bronze |
| 2010 | Stadium Juara, Kuala Lumpur, Malaysia | Bao Yixin | Tang Jinhua Xia Huan | 17-21, 8-21 | Silver |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2011 | Babu Banarasi Das Indoor Stadium, Lucknow, India | Pei Tianyi |  Lukhi Apri Nugroho Ririn Amelia | 21–15, 16–21, 23–25 | Silver |
BWF Superseries
The BWF Superseries, launched on 14 December 2006 and implemented in 2007, is a series of elite badminton tournaments sanctioned by the Badminton World Federation. A season of Superseries features twelve tournaments around the world, including five elevated as Premier Series, introduced in 2011, with successful players invited to the Superseries Masters Finals held at the year's end.Women's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2015 | Singapore Open | Yu Xiaohan | Misaki Matsutomo Ayaka Takahashi | 21–17, 21–16 | Winner |
| 2013 | Hong Kong Open | Tang Yuanting | Bao Yixin Tang Jinhua | 21–18, 16–21, 15–21 | Runner-up |
BWF Grand Prix
The BWF Grand Prix has two levels, the Grand Prix Gold and Grand Prix. It is a series of badminton tournaments sanctioned by the BWF since 2007.Women's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2014 | Macau Open | Yu Xiaohan | Huang Yaqiong Zhong Qianxin | 19–21, 21–19, 21–7 | Winner |
| 2014 | Bitburger Open | Yu Xiaohan |  Ekaterina Bolotova Evgeniya Kosetskaya | 21–10, 21–18 | Winner |
| 2014 | Malaysia Masters | Xiong Mengjing | Huang Yaqiong Yu Xiaohan | 20–22, 21–12, 18–21 | Runner-up |
| 2013 | New Zealand Open | Tang Yuanting | Vivian Hoo Woon Khe Wei | 21–15, 11–21, 21–19 | Winner |
BWF International Challenge/Series
Women's doubles| Year | Tournament | Partner | Opponent | Score | Result |
| 2015 | China International | Yu Xiaohan | Ayane Kurihara Naru Shinoya | 14–21, 21–18, 23–21 | Winner |
| 2014 | China International | Xiong Mengjing | Luo Ying Luo Yu | 13–21, 12–21 | Runner-up |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2014 | China International | Wang Yilu | Zhang Wen Xia Huan | 21–18, 15–21, 21–19 | Winner |