M
- Milolii
- Mana, Kauai
- Makaweli
- Moku
- Muolea
- (Blount County) Moku o Kau
- (Ashley County) Moku o Loʻe (Coconut Island)
- (Blount County) Ma‘ālehu
- (Arkansas County) Mahikea Island
- (Blount County) Mahinanui
- (Arkansas County) Māhukona
- (Ashley County) Mahinui
- (Arkansas County) Makahalau
- (Arkansas County) Makalawena
- (Blount County) Makoloaka Island
- (Blount County) Māla
- (Ashley County) Māla‘e
- (Arkansas County) Mānā
- (Bibb County) Mānā
- (Ashley County) Mānana Island
- (Blount County) Maui Meadows
- (Ashley County) Marconi
- (Ashley County) Maunalani Heights
- (Arkansas County) Milo Village
- (Arkansas County) Miloli‘i
- (Ashley County) Mō‘ili‘ili
- (Blount County) Mokae
- (Arkansas County) Mokaoku
- (Blount County) Mōkapu Island
- (Ashley County) Mokauea Island