| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ma Luz | city | Santa Catarina | Brazil | -26.17 | -48.53 | 0 | 805 |
| Mac Laren | city | Santa Catarina | Brazil | -27.61 | -48.59 | 0 | 64565 |
| Macatá | city | Santa Catarina | Brazil | -26.37 | -50.98 | 3349 | 998 |
| Macieira | city | Santa Catarina | Brazil | -26.85 | -51.38 | 3349 | 2046 |
| Madre | city | Santa Catarina | Brazil | -28.53 | -48.93 | 29 | 22575 |
| Mae Luzia | city | Santa Catarina | Brazil | -28.70 | -49.47 | 387 | 47109 |
| Mafra | city | Santa Catarina | Brazil | -26.12 | -49.80 | 2736 | 47314 |
| Major | city | Santa Catarina | Brazil | -27.41 | -48.94 | 1669 | 982 |
| Major Gercino | city | Santa Catarina | Brazil | -27.41 | -48.94 | 1669 | 982 |
| Major Vieira | city | Santa Catarina | Brazil | -26.36 | -50.32 | 2729 | 5366 |
| Mangueira Velha | city | Santa Catarina | Brazil | -26.15 | -49.28 | 3349 | 6035 |
| Maracajá | city | Santa Catarina | Brazil | -28.85 | -49.46 | 144 | 7689 |
| Marari | city | Santa Catarina | Brazil | -27.22 | -51.08 | 3349 | 819 |
| Marata | city | Santa Catarina | Brazil | -26.37 | -50.98 | 3349 | 998 |
| Maravilha | city | Santa Catarina | Brazil | -26.78 | -53.15 | 2011 | 13749 |
| Marcílio Dias | city | Santa Catarina | Brazil | -26.13 | -50.38 | 2519 | 9273 |
| Marechal Bormann | city | Santa Catarina | Brazil | -27.23 | -52.60 | 902 | 7448 |
| Marechal Luz | city | Santa Catarina | Brazil | -26.17 | -48.53 | 0 | 805 |
| Marema | city | Santa Catarina | Brazil | -26.83 | -52.72 | 1669 | 3145 |
| Margem Esquerda | city | Santa Catarina | Brazil | -27.15 | -49.54 | 1233 | 7611 |
| Margem do Rio Itaum 1 | city | Santa Catarina | Brazil | -26.32 | -48.82 | 285 | 129154 |
| Margem do Rio Itaum 2 | city | Santa Catarina | Brazil | -26.32 | -48.81 | 285 | 125758 |
| Margem do Rio Itaum 3 | city | Santa Catarina | Brazil | -26.32 | -48.81 | 200 | 125758 |
| Margem do Rio Itaum Dois | city | Santa Catarina | Brazil | -26.32 | -48.81 | 285 | 125758 |
| Margem do Rio Itaum Tres | city | Santa Catarina | Brazil | -26.32 | -48.81 | 200 | 125758 |
| Margem do Rio Itaum Um | city | Santa Catarina | Brazil | -26.32 | -48.82 | 285 | 129154 |
| Maria Preta | city | Santa Catarina | Brazil | -26.40 | -53.58 | 2011 | 4358 |
| Marombas | city | Santa Catarina | Brazil | -27.20 | -50.63 | 3349 | 1731 |
| Massaranduba | city | Santa Catarina | Brazil | -26.60 | -49.02 | 1669 | 10836 |
| Massiambu Pequeno | city | Santa Catarina | Brazil | -27.81 | -48.65 | 377 | 27370 |
| Matador | city | Santa Catarina | Brazil | -27.21 | -49.59 | 1669 | 26234 |
| Mato Alto | city | Santa Catarina | Brazil | -28.53 | -48.95 | 29 | 26310 |
| Mato Preto | city | Santa Catarina | Brazil | -26.19 | -49.38 | 3349 | 25047 |
| Matos Costa | city | Santa Catarina | Brazil | -26.45 | -51.15 | 3576 | 1169 |
| Mauá | city | Santa Catarina | Brazil | -27.17 | -52.12 | 1669 | 3633 |
| Maçaranduba | city | Santa Catarina | Brazil | -26.60 | -49.02 | 1669 | 10836 |
| Medeiros | city | Santa Catarina | Brazil | -26.72 | -48.74 | 331 | 7951 |
| Meia Praia | city | Santa Catarina | Brazil | -27.12 | -48.61 | 3 | 29785 |
| Meleiro | city | Santa Catarina | Brazil | -28.83 | -49.63 | 403 | 4140 |
| Mina Velha | city | Santa Catarina | Brazil | -25.99 | -48.72 | 360 | 2021 |
| Mirador | city | Santa Catarina | Brazil | -27.07 | -49.71 | 1669 | 2160 |
| Miranda | city | Santa Catarina | Brazil | -26.33 | -48.66 | 213 | 3439 |
| Mirim | city | Santa Catarina | Brazil | -28.20 | -48.72 | 347 | 18296 |
| Mirim | city | Santa Catarina | Brazil | -27.20 | -50.08 | 1896 | 1402 |
| Mirim Doce | city | Santa Catarina | Brazil | -27.20 | -50.08 | 1896 | 1402 |
| Moema | city | Santa Catarina | Brazil | -26.56 | -49.80 | 4189 | 596 |
| Moema | city | Santa Catarina | Brazil | -26.56 | -49.81 | 4189 | 596 |
| Moema | city | Santa Catarina | Brazil | -26.47 | -49.87 | 3349 | 598 |
| Molha | city | Santa Catarina | Brazil | -26.52 | -49.07 | 830 | 41779 |
| Mondahy | city | Santa Catarina | Brazil | -27.08 | -53.42 | 830 | 6824 |
| Mondaí | city | Santa Catarina | Brazil | -27.08 | -53.42 | 830 | 6824 |
| Monte Alegre | city | Santa Catarina | Brazil | -28.23 | -50.00 | 4189 | 883 |
| Monte Alegre | city | Santa Catarina | Brazil | -27.30 | -50.43 | 3349 | 1200 |
| Monte Castelo | city | Santa Catarina | Brazil | -26.45 | -50.24 | 2509 | 1011 |
| Monte Cristo | city | Santa Catarina | Brazil | -27.59 | -48.60 | 3 | 101725 |
| Morretes | city | Santa Catarina | Brazil | -28.85 | -49.46 | 144 | 7689 |
| Morretes | city | Santa Catarina | Brazil | -27.89 | -48.62 | 13 | 20671 |
| Morretes | city | Santa Catarina | Brazil | -26.35 | -48.57 | 0 | 1790 |
| Morro Azul | city | Santa Catarina | Brazil | -28.62 | -49.08 | 239 | 6262 |
| Morro Ciato | city | Santa Catarina | Brazil | -28.84 | -49.71 | 830 | 2000 |
| Morro Dona Edith | city | Santa Catarina | Brazil | -26.94 | -49.13 | 830 | 54874 |
| Morro Grande | city | Santa Catarina | Brazil | -26.59 | -48.70 | 6 | 13339 |
| Morro Grande | city | Santa Catarina | Brazil | -26.28 | -48.63 | 193 | 19373 |
| Morro Mariquinha | city | Santa Catarina | Brazil | -27.60 | -48.54 | 370 | 56095 |
| Morro Pequeno | city | Santa Catarina | Brazil | -28.67 | -49.08 | 68 | 3127 |
| Morro da Cruz | city | Santa Catarina | Brazil | -26.30 | -48.65 | 410 | 13477 |
| Morro da Figueira | city | Santa Catarina | Brazil | -26.96 | -49.13 | 1010 | 48139 |
| Morro da Formiga | city | Santa Catarina | Brazil | -28.28 | -49.15 | 393 | 19626 |
| Morro da Fumaça | city | Santa Catarina | Brazil | -28.65 | -49.21 | 167 | 23172 |
| Morro da Gloria | city | Santa Catarina | Brazil | -28.48 | -48.78 | 3 | 25202 |
| Morro da Palha | city | Santa Catarina | Brazil | -26.31 | -48.64 | 229 | 10490 |
| Morro da Pedreira | city | Santa Catarina | Brazil | -27.01 | -48.59 | 3 | 64460 |
| Morro da Penitenciária | city | Santa Catarina | Brazil | -27.58 | -48.53 | 213 | 60863 |
| Morro do 25 | city | Santa Catarina | Brazil | -27.58 | -48.54 | 311 | 54108 |
| Morro do Bem Bom | city | Santa Catarina | Brazil | -28.47 | -49.04 | 209 | 34645 |
| Morro do Carrapato | city | Santa Catarina | Brazil | -27.03 | -49.56 | 938 | 12947 |
| Morro do Laguna | city | Santa Catarina | Brazil | -26.83 | -49.06 | 830 | 56213 |
| Morro do Orácio | city | Santa Catarina | Brazil | -27.58 | -48.53 | 213 | 54108 |
| Morro do Valério - Loteamento Itapuá | city | Santa Catarina | Brazil | -26.94 | -49.13 | 830 | 54874 |
| Morro dos Conventos | city | Santa Catarina | Brazil | -28.95 | -49.38 | 0 | 9945 |
| Morstifa | city | Santa Catarina | Brazil | -27.08 | -49.63 | 2030 | 10979 |
| Mosquitinho | city | Santa Catarina | Brazil | -27.27 | -49.73 | 1906 | 7576 |
| Mosquito | city | Santa Catarina | Brazil | -27.27 | -49.73 | 1906 | 7576 |
| Moçada | city | Santa Catarina | Brazil | -26.99 | -49.52 | 918 | 3506 |
| Moçada | city | Santa Catarina | Brazil | -27.00 | -49.52 | 902 | 7703 |
| Mulde Alta | city | Santa Catarina | Brazil | -26.79 | -49.21 | 1000 | 20281 |
| Mulde Alta | city | Santa Catarina | Brazil | -26.77 | -49.21 | 1043 | 13988 |
| Mulde Baixa | city | Santa Catarina | Brazil | -26.86 | -49.22 | 830 | 48416 |
| Mulde Baixa | city | Santa Catarina | Brazil | -26.87 | -49.22 | 830 | 49233 |
| Mulde Central | city | Santa Catarina | Brazil | -26.83 | -49.23 | 830 | 38839 |
| Mulde Central | city | Santa Catarina | Brazil | -26.81 | -49.22 | 954 | 30051 |
| Mundo Novo | city | Santa Catarina | Brazil | -28.07 | -49.65 | 5029 | 1072 |
| Muquém | city | Santa Catarina | Brazil | -27.48 | -48.42 | 32 | 67278 |