| Sr. No. | Town and City | Type |
| 1 | Mabel Island | Island |
| 2 | Macalister Cove | Bay |
| 3 | Mahakipawa Arm | Bay |
| 4 | Mahakipawa Road, Havelock | Street/Road |
| 5 | Mahanga Creek | Stream |
| 6 | Mahau & Kenepuru, Mahau Sound | Street/Road |
| 7 | Mahau Road, Mahau Sound | Street/Road |
| 8 | Mahau Road, Schnapper Point | Street/Road |
| 9 | Mahau Sound | Suburb/Town |
| 10 | Mahers Road, Kaituna | Street/Road |
| 11 | Main Rd Havelock, Havelock | Street/Road |
| 12 | Main Road, Havelock | Street/Road |
| 13 | Makahi Stream | Stream |
| 14 | Malthouse Road, Riverlands | Street/Road |
| 15 | Malvern Hill | Hill |
| 16 | Malvern Hills | Location |
| 17 | Man-O-War Bay (Paharakeke) | Location |
| 18 | Manakau Hill | Hill |
| 19 | Manaroa | Suburb/Town |
| 20 | Manaroa Road, Manaroa | Street/Road |
| 21 | Manaroa Road, Waitaria Bay | Street/Road |
| 22 | Manawa Point | Point |
| 23 | Mangerton Ridge | Ridge |
| 24 | Manuhakapakapa | Bay |
| 25 | Manuka Drive, Ngakuta Bay | Street/Road |
| 26 | Manuka Stream | Stream |
| 27 | Manx Cove | Bay |
| 28 | Maori Bay | Stream |
| 29 | Maori Channel | Stream |
| 30 | Maori Gully | Valley |
| 31 | Maori Point | Stream |
| 32 | Mara Place, Waikawa | Street/Road |
| 33 | Maraetai Bay | Suburb/Town |
| 34 | Marama Farm | Location |
| 35 | Marama Road, Seddon | Street/Road |
| 36 | Marathon Downs | Location |
| 37 | March Street, Spring Creek | Street/Road |
| 38 | Marchburn River | Stream |
| 39 | Marfells Beach | Beach |
| 40 | Marfells Beach Road, Lake Grassmere | Street/Road |
| 41 | Marina Drive, Waikawa | Street/Road |
| 42 | Marina View, Waikawa | Street/Road |
| 43 | Marine Head | Point |
| 44 | Marlborough Airport | Location |
| 45 | Marlborough Ridge Drive, Fairhall | Street/Road |
| 46 | Marldene Avenue, Seddon | Street/Road |
| 47 | Marshall Place, Islington | Street/Road |
| 48 | Marshlands | Stream |
| 49 | Marukoko Drain | Stream |
| 50 | Marys Bay | Bay |
| 51 | Masons Road, Anakoha | Street/Road |
| 52 | Massacre Bay | Bay |
| 53 | Matai Place, Waikawa | Street/Road |
| 54 | Matai Street, Duncan Bay | Street/Road |
| 55 | Matai Street, Tennyson Inlet | Street/Road |
| 56 | Mataka Point | Point |
| 57 | Matakoi Point | Point |
| 58 | Matapehe | Trig Station |
| 59 | Matarau Point | Point |
| 60 | Matariki | Stream |
| 61 | Matatoko Point | Point |
| 62 | Matere | Point |
| 63 | Mates Creek | Stream |
| 64 | Matiere Point | Point |
| 65 | Matthews Gully | Valley |
| 66 | Matthews Lane, Rapaura | Street/Road |
| 67 | Matts Creek | Stream |
| 68 | Maud Island (Te Hoiere) | Location |
| 69 | Maungatapu | Flat |
| 70 | Maungatapu Road, Pelorus Bridge | Street/Road |