| Clubname: | Action 21 |
| Fullname: | Action 21 Charleroi |
| Founded: | 1999 |
| Dissolved: | 2015 |
| Capacity: | 3,000 |
| Chairman: | -- |
| Manager: | -- |
| Season: | 2008-09 |
| Position: | Division 1, 1st |
| Pattern B1: | _blackshoulders |
| Leftarm1: | FF0000 |
| Body1: | FF0000 |
| Rightarm1: | FF0000 |
| Shorts1: | FF0000 |
| Socks1: | FF0000 |
| Pattern B2: | _redshoulders |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | FFFFFF |
| Socks2: | FFFFFF |
Action 21 Charleroi was a futsal club based in Charleroi, Belgium.
The club was founded in 1999, Charleroi Garenne and FCS Sambreville merged in Action 21 Charleroi. Because of insufficient money, they merged with "FC Chatelineau" and became "Charleroi 21"