Towns
| State | City/Town | Town Title |
|---|---|---|
| Washington | Malaga | Malaga, WA |
| Washington | Malden | Malden, WA |
| Washington | Malo | Malo, WA |
| Washington | Malone | Malone, WA |
| Washington | Malott | Malott, WA |
| Washington | Manchester | Manchester, WA |
| Washington | Mansfield | Mansfield, WA |
| Washington | Manson | Manson, WA |
| Washington | Maple Falls | Maple Falls, WA |
| Washington | Maple Valley | Maple Valley, WA |
| Washington | Marblemount | Marblemount, WA |
| Washington | Marcus | Marcus, WA |
| Washington | Marlin | Marlin, WA |
| Washington | Marshall | Marshall, WA |
| Washington | Marysville | Marysville, WA |
| Washington | Matlock | Matlock, WA |
| Washington | Mattawa | Mattawa, WA |
| Washington | Mazama | Mazama, WA |
| Washington | Mcchord Afb | Mcchord Afb, WA |
| Washington | Mccleary | Mccleary, WA |
| Washington | Mckenna | Mckenna, WA |
| Washington | Mcloughlin | Mcloughlin, WA |
| Washington | Mead | Mead, WA |
| Washington | Medical Lake | Medical Lake, WA |
| Washington | Medina | Medina, WA |