| Official Name: | Laï |
| Native Name: | لادي |
| Pushpin Map: | Chad |
| Pushpin Mapsize: | 300 |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Chad |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Tandjile Region |
| Subdivision Type3: | Sub-Prefecture |
| Subdivision Name3: | Laï |
| Unit Pref: | Imperial |
| Population As Of: | 2008 |
| Population Total: | 20 428 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | +1 |
| Coordinates: | 9.4°N 16.3°W |
Laï (Arabic: لادي) is a city in Chad. It lies on the Logone River and is the capital of the region of Tandjilé. The town is served by Laï Airport.
This city is notable for the Battle of Lai during World War I; in August 1914 the city was occupied by the German army until it was liberated by the French in September.
| Year | Population[1] | |
|---|---|---|
| 1993 | 14 272 | |
| 2008 | 20 428 |