| Country | Belgium |
|---|---|
| Broadcast area | Belgium |
| Headquarters | Brussels, Belgium |
| Programming | |
| Language(s) | French |
| Picture format | 576i (16:9 SDTV) |
| Ownership | |
| Owner | AB Groupe |
| Sister channels | AB3 |
| History | |
| Launched | 28 October 2002 |
| Closed | 13 September 2017 |
| Replaced by | ABXplore |
AB4 was a Belgian broadcast television station owned and operated by BTV, a subsidiary of AB Groupe. It targeted the French community in Belgium. On September 13, 2017, at 20:30 it became ABXplore.