| Competition: | Campeonato Ecuatoriano de Fútbol |
| Season: | 1977 |
| Relegated: | Aucas América de Quito Carmen Mora LDU Cuenca |
| Continentalcup1: | Copa Libertadores |
| Continentalcup1 Qualifiers: | El Nacional LDU Quito |
| Matches: | 210 |
| Total Goals: | 561 |
| Prevseason: | 1976 |
| Nextseason: | 1978 |
The 1977 Campeonato Ecuatoriano de Fútbol de la Serie A was the 19th national championship for football teams in Ecuador.
The number of teams for this season was played by 12 teams. LDU Cuenca and Manta promoted as winners of First Stage of Serie B.
| Club | City | |
|---|---|---|
| Quito | ||
| Quito | ||
| Guayaquil | ||
| Machala | ||
| Cuenca | ||
| Quito | ||
| Guayaquil | ||
| Cuenca | ||
| Portoviejo | ||
| Quito | ||
| Manta | ||
| Quito |