A
- (Province of Isabela) Antagan
- (Province of Nueva Vizcaya) Ansipsip
- (Province of Cagayan) Anquiray
- (Province of Isabela) Anoatusia
- (Province of Cagayan) Annayatan
- (Province of Isabela) Annanuman
- (Province of Cagayan) Annafunan
- (Province of Isabela) Annafunan
- (Province of Cagayan) Annafatan
- (Province of Cagayan) Annabuculan
- (Province of Cagayan) Annabatan
- (Province of Isabela) Anipa
- (Province of Isabela) Anipa
- (Province of Isabela) Aniog
- (Province of Isabela) Anguapan
- (Province of Isabela) Angrilla
- (Province of Isabela) Angancasilian
- (Province of Isabela) Angadanan Viejo
- (Province of Isabela) Andrade
- (Province of Isabela) Andayan
- (Province of Isabela) Andarayan Burgos
- (Province of Cagayan) Andarayan
- (Province of Isabela) Andarayan
- (Province of Isabela) Andarayan
- (Province of Quirino) Anawang
- (Province of Isabela) Anao
- (Province of Cagayan) Anangca
- (Province of Quirino) Anak
- (Province of Nueva Vizcaya) Anablan
- (Province of Cagayan) Amunitan