M
- (Province of Pangasinan) Macabito
- (Province of Pangasinan) Macabit Norte
- (Province of La Union) Macabato
- (Province of Pangasinan) Mabulitec
- (Province of Ilocos Norte) Mababoa
- (Province of Pangasinan) Mabulitec
- (Province of Ilocos Norte) Mabisbis
- (Province of Pangasinan) Mabini
- (Province of Pangasinan) Mabini
- (Province of Ilocos Sur) Mabilbila Norte
- (Province of Ilocos Sur) Mabecbecan
- (Province of Ilocos Sur) Mabatano
- (Province of Ilocos Sur) Mabatano
- (Province of La Union) Mabanengbeng Second
- (Province of La Union) Mabanengbeng First
- (Province of Pangasinan) Mabalbalino
- (Province of Pangasinan) Maasin
- (Province of Ilocos Sur) Maasasin
- (Province of Ilocos Norte) Maananteng
- (Province of Ilocos Norte) Maababucay
- (Province of Ilocos Norte) Maababaca
- (Province of La Union) Macalabo Island
- (Province of La Union) Moniguio Island
- (Province of Ilocos Norte) Macayepyep
- (Province of Ilocos Norte) Malaguip
- (Province of Ilocos Norte) Mamulaan
- (Province of Ilocos Norte) Mapusdo
- (Province of Ilocos Norte) Madanay
- (Province of Ilocos Norte) Mariit
- (Province of Ilocos Norte) Masumbique