| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Mahul-tong | city | Cheju-do | Korea, Republic of (South) | 33.4161111 | 126.3011111 | 262 | 31585 |
| Mahŭl-tong | city | Cheju-do | Korea, Republic of (South) | 33.4161111 | 126.3011111 | 262 | 31585 |
| Majon-dong | city | Cheju-do | Korea, Republic of (South) | 33.3 | 126.3333333 | 692 | 34241 |
| Majong-dong | city | Cheju-do | Korea, Republic of (South) | 33.3 | 126.3333333 | 692 | 34241 |
| Majŏn-dong | city | Cheju-do | Korea, Republic of (South) | 33.3 | 126.3333333 | 692 | 34241 |
| Majŏng-dong | city | Cheju-do | Korea, Republic of (South) | 33.3 | 126.3333333 | 692 | 34241 |
| Malchokpat | city | Cheju-do | Korea, Republic of (South) | 33.25 | 126.6 | 59 | 12904 |
| Maljokpat | city | Cheju-do | Korea, Republic of (South) | 33.25 | 126.6 | 59 | 12904 |
| Mat'ong-dong | city | Cheju-do | Korea, Republic of (South) | 33.3333333 | 126.3833333 | 1689 | 34241 |
| Meigetsu-ri | city | Cheju-do | Korea, Republic of (South) | 33.3833333 | 126.2666667 | 364 | 24157 |
| Meiketsuri | city | Cheju-do | Korea, Republic of (South) | 33.3833333 | 126.2666667 | 364 | 24157 |
| Minjon-dong | city | Cheju-do | Korea, Republic of (South) | 33.4333333 | 126.55 | 1712 | 34192 |
| Minjŏn-dong | city | Cheju-do | Korea, Republic of (South) | 33.4333333 | 126.55 | 1712 | 34192 |
| Minpat | city | Cheju-do | Korea, Republic of (South) | 33.4333333 | 126.55 | 1712 | 34192 |
| Misu-dong | city | Cheju-do | Korea, Republic of (South) | 33.4833333 | 126.4 | 88 | 17882 |
| Misui-do | city | Cheju-do | Korea, Republic of (South) | 33.4833333 | 126.4 | 88 | 17882 |
| Misui-dō | city | Cheju-do | Korea, Republic of (South) | 33.4833333 | 126.4 | 88 | 17882 |
| Mohitsuho | city | Cheju-do | Korea, Republic of (South) | 33.2166667 | 126.25 | 3 | 21332 |
| Momiruho | city | Cheju-do | Korea, Republic of (South) | 33.2166667 | 126.25 | 3 | 21332 |
| Mongmaul | city | Cheju-do | Korea, Republic of (South) | 33.35 | 126.6666667 | 1095 | 34224 |
| Mongmuul | city | Cheju-do | Korea, Republic of (South) | 33.35 | 126.6666667 | 1095 | 34224 |
| Mosulp'o | city | Cheju-do | Korea, Republic of (South) | 33.2166667 | 126.25 | 3 | 21332 |
| Mosŭlp'o | city | Cheju-do | Korea, Republic of (South) | 33.2166667 | 126.25 | 3 | 21332 |
| Mung-ni | city | Cheju-do | Korea, Republic of (South) | 33.9333333 | 126.3166667 | 3 | 1186 |
| Munsu-dong | city | Cheju-do | Korea, Republic of (South) | 33.3866667 | 126.285 | 508 | 24157 |
| Munsumul-tong | city | Cheju-do | Korea, Republic of (South) | 33.3866667 | 126.285 | 508 | 24157 |
| Munsŭmul-tong | city | Cheju-do | Korea, Republic of (South) | 33.3866667 | 126.285 | 508 | 24157 |
| Munung-ni | city | Cheju-do | Korea, Republic of (South) | 33.2697222 | 126.2008333 | 36 | 17646 |
| Munŭng-ni | city | Cheju-do | Korea, Republic of (South) | 33.2697222 | 126.2008333 | 36 | 17646 |
| Murak-kol | city | Cheju-do | Korea, Republic of (South) | 33.3333333 | 126.65 | 1017 | 32505 |
| Murung 1-li | city | Cheju-do | Korea, Republic of (South) | 33.2697222 | 126.2008333 | 36 | 17646 |
| Murung-ni | city | Cheju-do | Korea, Republic of (South) | 33.2697222 | 126.2008333 | 36 | 17646 |
| Murŭng 1-li | city | Cheju-do | Korea, Republic of (South) | 33.2697222 | 126.2008333 | 36 | 17646 |
| Murŭng-ni | city | Cheju-do | Korea, Republic of (South) | 33.2697222 | 126.2008333 | 36 | 17646 |
| Musulpo | city | Cheju-do | Korea, Republic of (South) | 33.2166667 | 126.25 | 3 | 21332 |
| Myongdal-tong | city | Cheju-do | Korea, Republic of (South) | 33.2505556 | 126.2230556 | 39 | 28331 |
| Myongdoam | city | Cheju-do | Korea, Republic of (South) | 33.4666667 | 126.6166667 | 1128 | 31983 |
| Myongi-dong | city | Cheju-do | Korea, Republic of (South) | 33.3166667 | 126.2833333 | 541 | 34216 |
| Myongwol | city | Cheju-do | Korea, Republic of (South) | 33.3833333 | 126.2666667 | 364 | 24157 |
| Myongwol-li | city | Cheju-do | Korea, Republic of (South) | 33.3833333 | 126.2666667 | 364 | 24157 |
| Myŏngdal-tong | city | Cheju-do | Korea, Republic of (South) | 33.2505556 | 126.2230556 | 39 | 28331 |
| Myŏngdoam | city | Cheju-do | Korea, Republic of (South) | 33.4666667 | 126.6166667 | 1128 | 31983 |
| Myŏngi-dong | city | Cheju-do | Korea, Republic of (South) | 33.3166667 | 126.2833333 | 541 | 34216 |
| Myŏngwŏl | city | Cheju-do | Korea, Republic of (South) | 33.3833333 | 126.2666667 | 364 | 24157 |
| Myŏngwŏl-li | city | Cheju-do | Korea, Republic of (South) | 33.3833333 | 126.2666667 | 364 | 24157 |
| Mŏngmaŭl | city | Cheju-do | Korea, Republic of (South) | 33.35 | 126.6666667 | 1095 | 34224 |
| Mŏngmuul | city | Cheju-do | Korea, Republic of (South) | 33.35 | 126.6666667 | 1095 | 34224 |