| Event: | Badminton |
| Games: | 1970 Asian Games |
| Venue: | Kittikachorn Stadium[1] |
| Dates: | 9–20 December |
| Prev: | 1966 |
| Next: | 1974 |
Badminton tournaments were held for the third time at the 6th Asian Games in 1970 in Bangkok, Thailand from 9 to 20 December 1970.
Singles, doubles, and team events were contested for both men and women. Mixed Doubles were also contested.
| Men's singles | |||
| Men's doubles | Ng Boon Bee Punch Gunalan | Junji Honma Shoichi Toganoo | Rudy Hartono Indra Gunawan |
Chavalert Chumkum Pornchai Sakuntaniyom | |||
| Men's team | Indra Gunawan Rudy Hartono Indratno Mintarja Muljadi | Soonchai Akyapisut Chavalert Chumkum Bandid Jaiyen Sangob Rattanusorn Pornchai Sakuntaniyom Tuly Ulao | Punch Gunalan Lee Kok Peng Abdul Rahman Mohamed Ng Boon Bee Ng Tat Wai Tan Soon Hooi |
Junji Honma Ippei Kojima Hiroshi Taniguchi Shoichi Toganoo | |||
| Women's singles | |||
| Women's doubles | Etsuko Takenaka Machiko Aizawa | Retno Kustijah Nurhaena | Rosalind Singha Ang Teoh Siew Yong |
Sumol Chanklum Achara Pattabongs | |||
| Women's team | Machiko Aizawa Mariko Nishio Etsuko Takenaka Hiroe Yuki | Sumol Chanklum Boobpa Kaentong Thongkam Kingmanee Petchroong Liengtrakulngam Achara Pattabongs | Han Sook-ee Joon Im-soon Kang Young-sin Kim Jong-ja |
Utami Dewi Kurniawan Retno Kustijah Minarni Nurhaena Poppy Tumengkol Theresia Widiastuti | |||
| Mixed doubles | Ng Boon Bee Sylvia Ng | Bandid Jaiyen Achara Pattabongs | Ippei Kojima Etsuko Takenaka |
Rudy Hartono Minarni |
| Discipline | Winner | Runner-up | Score |
|---|---|---|---|
| Men's singles | Punch Gunalan |  Sangob Rattanusorn | 18–17, 15–10 |
| Muljadi |  Ippei Kojima | 17–15, 11–15, 15–10 | |
| Women's singles | Hiroe Yuki | Minarni | 7–11, 7–8[2] |
| Thongkam Kingmanee | Sylvia Ng | 11–7, 11–4 | |
| Men's doubles | Ng Boon Bee Punch Gunalan | Rudy Hartono Indra Gunawan | 15–12, 10–15, 15–10 |
| Junji Honma Shoichi Toganoo | Chavalert Chumkum Pornchai Sakuntaniyom | 15–8, 15–8 | |
| Women's doubles | Machiko Aizawa Etsuko Takenaka | Achara Pattabongs Sumol Chanklum | 15–6, 15–2 |
| Nurhaena Retno Kustijah | Teoh Siew Yong Rosalind Singha Ang | 15–5, 15–10 | |
| Mixed doubles | Ng Boon Bee Sylvia Ng | –, – | |
| Bandid Jaiyen Achara Pattabongs | Rudy Hartono Minarni | walkover[3] |
| Discipline | Winner | Finalist | Score | |
|---|---|---|---|---|
| Men's singles | Punch Gunalan | Muljadi | 4–15, 15–3, 15–12 | |
| Women's singles | Hiroe Yuki | Thongkam Kingmanee | 12–9, 11–8 | |
| Men's doubles | Ng Boon Bee Punch Gunalan | Junji Honma Shoichi Toganoo | 5–15, 15–8, 15–7 | |
| Women's doubles | Machiko Aizawa Etsuko Takenaka | Nurhaena Retno Kustijah | 15–11, 15–6 | |
| Mixed doubles[4] | Ng Boon Bee Sylvia Ng | Bandid Jaiyen Achara Pattabongs | 18–13, 11–15, 15–10 |