N
- (Province of La Union) Nagbayugan
- (Province of Ilocos Sur) Nagbalioartian
- (Province of Ilocos Norte) Nagbalagan
- (Province of Ilocos Norte) Nagbacalan
- (Province of La Union) Nagatiran
- (Province of Ilocos Norte) Nagat
- (Province of La Union) Nagallaoat
- (Province of Ilocos Norte) Nagalangan
- (Province of La Union) Nadsaag
- (Province of Ilocos Sur) Nacugang
- (Province of La Union) Nabuclao
- (Province of Pangasinan) Naboal-Bakong Dakel
- (Province of Ilocos Norte) Nabang
- (Province of Pangasinan) Nibalio
- (Province of Ilocos Norte) Nargaay
- (Province of Ilocos Sur) Nalideg
- (Province of La Union) Nahas
- (Province of Ilocos Norte) Nalasin
- (Province of Ilocos Norte) Nagcorcoran
- (Province of Ilocos Norte) Natayag
- (Province of Ilocos Norte) Nagbrebacan
- (Province of Ilocos Norte) Nalen
- (Province of Ilocos Norte) Ngayao
- (Province of Ilocos Norte) Naglayaan
- (Province of Ilocos Norte) Naglayan
- (Province of Ilocos Norte) Nagbircugan
- (Province of Ilocos Norte) Nagmarcaan
- (Province of Ilocos Norte) Naglayaan
- (Province of Pangasinan) Nacao
- (Province of Ilocos Sur) Nalasin Norte