| Event: | Tennis |
| Games: | 2005 |
| Venue: | Rizal Memorial Tennis Court |
| Location: | Malate, Manila |
| Start Date: | December 1–4 |
| Prev: | 2003 |
| Next: | 2007 |
Tennis at the 2005 Southeast Asian Games took place on several separate courts at the Rizal Memorial Sports Complex in Manila, Philippines. The participants competed for four gold medals.
| Men's singles | ||||
| Men's doubles | Sanchai Ratiwatana Sonchat Ratiwatana | Cecil Mamiit Eric Taino | Suwandi Bonit Wiryawan | |
| Prima Simpatiaji Sunu Wahyu Trijati | ||||
| Men's team | Cecil Mamiit Eric Taino Johnny Arcilla Patrick John Tierro | Prima Simpatiaji Suwandi Sunu Wahyu Trijati Bonit Wiryawan | Đỗ Minh Quân Ngô Quang Huy Lê Quốc Khánh | |
| nowrap | Sanchai Ratiwatana Sonchat Ratiwatana Weerapat Doakmaiklee Danai Udomchoke | |||
| Women's singles | nowrap | |||
| Women's doubles | Wynne Prakusya Romana Tedjakusuma | Ayu Fani Damayanti Septi Mende | Denise Dy Riza Zalameda | |
| Montinee Tangphong Thassha Vitayaviroj | ||||
| Women's team | Wynne Prakusya Romana Tedjakusuma Ayu Fani Damayanti Septi Mende | Suchanun Viratprasert Napaporn Tongsalee Montinee Tangphong Thassha Vitayaviroj | ||
| Ngô Việt Hà Trần Thị Kim Lợi Nguyễn Thùy Dung Huỳnh Mai Huỳnh | ||||
| Mixed doubles | Cecil Mamiit Riza Zalameda | Suwandi Wynne Prakusya | Sanchai Ratiwatana Montinee Tangphong | |
| Sonchat Ratiwatana Napaporn Tongsalee | ||||