Canal A
| Type | Free-to-air television network |
|---|---|
| Country | Colombia |
| Broadcast area | Colombia |
| Programming | |
| Picture format | 480i SDTV |
| Ownership | |
| Owner | Government of Colombia (operated by Inravisión) |
| History | |
| Launched | March 7, 1972 (as Tele 9) January 27, 1974 (as Segunda Cadena) |
| Founder | Carlos Lleras Restrepo |
| Closed | February 1, 2004 |
| Replaced by | Canal Institucional |
| Former names | Segunda Cadena (1973–1979; 1979–1983) Segunda Cadena Color (1979) Cadena Dos or Cadena 2 (1984–1991) |
Canal A (previously known as Cadena Dos) was a Colombian open television network launched on January 16, 1971, under the name Tele9 Corazón (pronounced "telenueve corazón").