A
- (Cotabato) Atin
- (Province of South Cotabato) Aflek
- (Province of Sarangani) Alegria
- (Cotabato) Amasion
- (Cotabato) Ampoya
- (Province of Sarangani) Abaca
- (Cotabato) Abaga
- (Cotabato) Abaga
- (Cotabato) Agcad
- (Province of Sarangani) Agikik
- (Province of Sarangani) Akbual
- (Province of Sultan Kudarat) Akot
- (Cotabato) Alaguasin Island
- (Province of South Cotabato) Alah
- (Province of Sultan Kudarat) Ala
- (Province of South Cotabato) Alah Valley
- (Cotabato) Alibayan
- (Province of South Cotabato) Ambuldan
- (Cotabato) Anunang
- (Province of Sarangani) Apas
- (Cotabato) Aringay
- (Cotabato) Aroman
- (Province of South Cotabato) Avanceña
- (Cotabato) Alamada
- (Cotabato) Amas