| Event: | Tennis |
| Games: | 1966 Asian Games |
| Venue: | National Tennis Stadium |
| Dates: | 10–20 December |
| Prev: | 1962 |
| Next: | 1974 |
Tennis was contested at the 1966 Asian Games in Bangkok, Thailand from December 10 to December 20, 1966. Tennis had doubles and singles events for men and women, as well as a mixed doubles competition.
Japan and Indonesia dominated the events winning all seven gold medals.
| Men's singles | |||
| Men's doubles | Osamu Ishiguro Koji Watanabe | Võ Văn Bảy Lưu Hoàng Đức | Shiv Prakash Misra Vinay Dhawan |
Sutiraphan Karalak Netra Gramatica | |||
| Men's team | Osamu Ishiguro Ichizo Konishi Koji Watanabe Keishiro Yanagi | Somparn Champisri Seri Charuchinda Netra Gramatica Sutiraphan Karalak | Taghi Akbari Issa Khodaei Ezzatollah Nemati Nematollah Nemati |
Delfin Contreras Federico Deyro Jesus Hernandez Augusto Villanueva | |||
| Women's singles | |||
| Women's doubles | Lita Liem Lany Kaligis | Desideria Ampon Patricia Yngayo | Ranjani Jayasuriya Wendy Molligoda |
Yang Jeong-soon Park Jong-bok | |||
| Women's team | Lany Kaligis Lita Liem Mien Suhadi | Kazuko Kuromatsu Reiko Miyagi Yoko Obata | Desideria Ampon Patricia Yngayo |
Sria Gooneratne Ranjani Jayasuriya Wendy Molligoda | |||
| Mixed doubles | Koji Watanabe Reiko Miyagi | Federico Deyro Patricia Yngayo | Sutarjo Sugiarto Lita Liem |
Go Soen Houw Lany Kaligis |