Karate at the 2009 SEA Games was held at Chao Anouvong Gymnasium from 10 to 12 December 2009 in Vientiane, Laos.
| Men's individual | |||
| Men's team | Faizal Zainuddin Fidelys Lolobua Aswar | Tan Chee Sheng Leong Tze Wai Kam Kah Sam | Than Htike Kyaw Kyaw Tun Aung Khant |
Nguyễn Thanh Long Thạch Văn Thành Tô Hải Nam | |||
| Women's individual | |||
| Women's team | Nguyễn Hoàng Ngân Đỗ Thị Thu Hà Nguyễn Thị Hằng | Lim Lee Lee Thoe Ai Poh Chong Chew Teng | Dewi Yulianti Yuli Eka Yanti Alit Tresna |
Thaviphone Orlaphan Chanthamaly | |||
| 55 kg | Puvaneswaran Ramasamy | Phạm Hoài Long | Ace Pediongo Eso |
| Hirannithishatphol Saratham | |||
| 60 kg | Xaysavath Oupalavanh | Kunasilan Lakanathan | Donny Dharmawan |
| Aung Pyae | |||
| 67 kg | Nguyễn Ngọc Thanh | Jintar Simanjuntak | Fadilah Sanif |
| Tay Qing Yuan | |||
| 75 kg | Inkathep | Rolando Lagman | Shaharudin |
| Yuttana Klamprabud | |||
| 84 kg | Mohd Hatta | Hendro Salim | Mainudin Mohamad |
| Soukphansa | |||
| +84 kg | Umar Syarief | Phạm Quang Duy | Sengpheng |
| Jamil Hj Abd Majid | |||
| Team | Nguyễn Ngọc Thanh Phạm Hoài Long Nguyễn Hoàng Hiệp Nguyễn Minh Phụng Dương Hoàng Long | ||
| 50 kg | |||
| 55 kg | |||
| 61 kg | |||
| 68 kg | |||
| >68 kg | |||
| Team | |||