Ayako Jinnouchi (陣内 綾子, Jinnouchi Ayako, born 21 January 1987) is a Japanese athlete specializing in middle distance events. She competed in the 800 metres at the 2007 World Championships without reaching the semifinals.
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
Representing  Japan
| |||||
| 2005 | Asian Championships | Incheon, South Korea | 3rd | 800 m | 2:05.69 |
| East Asian Games | Macau, China | 3rd | 800 m | 2:05.45 | |
| 2006 | World Junior Championships | Beijing, China | 8th (sf) | 800 m | 2:05.63 |
| 2007 | Asian Championships | Amman, Jordan | 3rd | 800 m | 2:08.75 |
| World Championships | Kobe, Japan | 38th (h) | 800 m | 2:07.34 | |
| 2008 | Asian Indoor Championships | Doha, Qatar | 4th | 800 m | 2:05.66 |
| 2009 | Asian Championships | Guangzhou, China | 4th | 800 m | 2:05.88 |
| 2013 | Asian Championships | Pune, India | 3rd | 1500 m | 4:16.73 |
| 2017 | Asian Championships | Bhubaneswar, India | 3rd | 1500 m | 4:19.90 |
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