A
- Acosta Torres Jaime (1936-1976) - composer
- Adán Omagua (1720-1802) - violinist
- Aguayo Jarrín Néstor Alejandro (1925-) - composer
- Aguirre Cruz Arturo (1921-) - rondador player
- Aizaga Yerovi Claudio (1926-) -composer, pianist
- Aizaga Villacís Patricio Augusto (1964-) - orchestra director
- Aizaga Chavez Felipe Alejandro (1991-) - violinist
- Aizaga Villacis Eugenia (Flautista)
- Alavedra Tama Teresa A (born 1890) - conductor, pianist
- Albán Manuel (died 1822) - violinist
- Albán José (1790-1890) - violinist
- Alberdi Francisco María Durango (1878-1934) - composer, singer
- Alexánder Francisco (1910-1988) - music critic, violinist
- Allende Juan José (18th-19th century) - conductor, orchestra director
- Altuna (Fray) Antonio (1772-1812) - singer, organist
- Almeida Zafiro - pianista, compositora
- Alvarado Sempertégui Aurelio J. (1896-?) - pianista, compositora
- Alvarez García Lila Angela (1915-) Music critic and professor of music
- Alvarez Loor Manuel de Jesús (1901-1958) -composer
- Alvarez Tapia Wilson Patricio (1960-) -pianist and conductor
- Alzamora Vela Gerardo (1910-?) - violinist
- Araujo Chiriboga Angel Leonidas - (1900-1993) - composer
- Araujo Chiriboga Jorge Humberto (1892-1970) - composer
- Arauz Vargas Segundo Alfonso Teófilo (1909-1986) - violinist and composer
- Arellano José Casimiro (1880-1970) - composer
- Arias Arias Gerardo (1914-1983) - composer and bassoonist
- Arízaga Toral Carlos (1891-1972) - composer of popular music
- Auz Sánchez Manuel Eugenio (1958-) - director and pianist
- Agustín Azkúnaga Fray (1885-1957) - composer and organist
Read more about this topic: List Of Ecuadorian Musicians