Seiko Yamada
Seiko Yamada is a Japanese badminton player. Together with Shizuka Yamamoto, she won the women's doubles national champion in 2000 and 2003. Yamada competed in badminton at the 2004 Summer Olympics in women's doubles with partner Shizuka Yamamoto. They were defeated by Chin Eei Hui and Wong Pei Tty of Malaysia in the round of 32. She is currently ranked #7 in Japan.
Achievements
IBF World Championships
Women's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2003 | National Indoor Arena, Birmingham, England |  Shizuka Yamamoto |  Wei Yili Zhao Tingting | 9–15, 11–15 | Bronze |
BWF International Challenge/Series (2 titles, 4 runners-up)
Women's doubles| Year | Tournament | Partner | Opponent | Score | Result |
| 2012 | Iran Fajr International | Ayumi Tasaki | Rie Eto Yu Wakita | 15–21, 21–23 | Runner-up |
| 2009 | Lao International | Yuka Hayashi | Aki Akao Yasuyo Imabeppu | 21–15, 11–21, 14–21 | Runner-up |
| 2005 | French Open | Shizuka Matsuo |  Elodie Eymard Weny Rahmawati | 12–15, 17–14, 6–15 | Runner-up |
| 2003 | Western Australia International | Shizuka Yamamoto |  Rebecca Gordon Sara Runesten-Petersen | 15–3, 15–5 | Winner |
| 2003 | Waikato International | Shizuka Yamamoto | Ai Hirayama Akiko Nakashima | 15–1, 17–16 | Winner |
| 2003 | Mauritius International | Shizuka Yamamoto |  Nicole Grether Juliane Schenk | 9–15, 4–15 | Runner-up |