1974 Campeonato Ecuatoriano de Fútbol Serie A

The 1974 Campeonato Ecuatoriano de Fútbol de la Serie A was the 16th national championship for football teams in Ecuador. LDU Quito won their second national title.

Teams
Eight teams started the season. Two would be relegated mid-season and be replaced by two teams from the Serie B. The following eight teams started the season (home city in parentheses):


 * Barcelona (Guayaquil)
 * Deportivo Cuenca (Cuenca)
 * Deportivo Quito (Quito)
 * El Nacional (Quito)
 * Emelec (Guayaquil)
 * LDU Portoviejo (Portoviejo)
 * Macará (Ambato)
 * Universidad Católica (Quito)

Second stage
Two teams were promoted from the Serie B after the First Stage; there was no relegation after this stage. The new teams are (home city in parentheses):
 * América (Quito)
 * LDU Quito (Quito)

Liguilla
The following teams qualified to for the Liguilla:
 * Deportivo Cuenca
 * El Nacional
 * LDU Quito

Since El Nacional accumulated the most points during the season, they advanced automatically to the finals.