M
- (Province of Cagayan) Maddarulug
- (Province of Isabela) Minanga Norte
- (Province of Cagayan) Manga
- (Province of Nueva Vizcaya) Mabasa
- (Province of Cagayan) Maxingal
- (Province of Cagayan) Mabuttal West
- (Province of Isabela) Malasin
- (Province of Isabela) Minallo
- (Province of Isabela) Maluno Sur
- (Province of Isabela) Minuri
- (Province of Isabela) Mozzozzin Sur
- (Province of Cagayan) Magalalag
- (Province of Cagayan) Maguilling
- (Province of Isabela) Masipi East
- (Province of Nueva Vizcaya) Macasin
- (Province of Isabela) Mabini
- (Province of Cagayan) Mungo
- (Province of Isabela) Muñoz West
- (Province of Isabela) Masaya Sur
- (Province of Isabela) Minante Segundo
- (Province of Quirino) Maddela
- (Province of Cagayan) Magapit