| Ketagalan | |
|---|---|
| Native to | Taiwan | 
| Ethnicity | Ketagalan | 
| Extinct | (date missing) | 
| 
Austronesian
 
 | |
| Language codes | |
| ISO 639-3 |  | 
| Glottolog | keta1243 | 
|   (dark green, north) The Kavalanic languages: Basai, Ketagalan, and Kavalan | |
Ketagalan (Ketangalan, Tangalan) (Chinese: 凱達格蘭語; pinyin: Kǎidágélán Yǔ) was a Formosan language spoken south of modern-day Taipei in northern Taiwan by the Ketagalan people. The language has become extinct.
Li (1992) distinguishes six Ketagalan dialects (alternatively called the "Basaic" group of Eastern Formosan).