| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Seaforth | city | Province d' Ontario | Canada | 43.55 | -81.3833333 | 1026 | 3609 |
| Seaforth | city | Province de Nouvelle-Ecosse | Canada | 44.65 | -63.2666667 | 0 | 757 |
| Seal Bight | city | Province of Newfoundland and Labrador | Canada | 52.45 | -55.6666667 | 3 | 93 |
| Seal Cove | city | Province of New Brunswick | Canada | 44.65 | -66.85 | 75 | 871 |
| Seal Cove | city | Province of Newfoundland and Labrador | Canada | 49.9333333 | -56.4 | 534 | 634 |
| Seal Cove | city | Province of Newfoundland and Labrador | Canada | 47.4666667 | -53.0833333 | 72 | 9443 |
| Seal Islands | city | Province of Newfoundland and Labrador | Canada | 53.2333333 | -55.7166667 | 29 | 0 |
| Searchmont | city | Province d' Ontario | Canada | 46.7833333 | -84.05 | 748 | 14 |
| Searston | city | Province of Newfoundland and Labrador | Canada | 47.8333333 | -59.3166667 | 3 | 103 |
| Seaton | city | Province of British Columbia | Canada | 55.1 | -127.3666667 | 1220 | 45 |
| Seba Beach | city | Province d' Alberta | Canada | 53.5666667 | -114.7166667 | 2378 | 852 |
| Sebec | city | Province du Quebec | Canada | 48.55 | -67.6833333 | 685 | 1328 |
| Sechelt | city | Province of British Columbia | Canada | 49.4666667 | -123.7666667 | 0 | 5711 |
| Sedalia | city | Province d' Alberta | Canada | 51.6666667 | -110.6666667 | 2519 | 23 |
| Seebe | city | Province d' Alberta | Canada | 51.1 | -115.0666667 | 4146 | 239 |
| Seechelt | city | Province of British Columbia | Canada | 49.4666667 | -123.7666667 | 0 | 5711 |
| Seldom | city | Province of Newfoundland and Labrador | Canada | 49.6 | -54.1666667 | 0 | 665 |
| Selkirk | city | Territoire du Yukon | Canada | 62.7666667 | -137.3833333 | 1981 | 0 |
| Selkirk | city | Province de Manitoba | Canada | 50.15 | -96.8833333 | 754 | 10824 |
| Selkirk | city | Province d' Ile-du-Prince-Edouard | Canada | 46.4166667 | -62.4333333 | 88 | 546 |
| Sellwood | city | Province d' Ontario | Canada | 46.85 | -81.0166667 | 1230 | 1871 |
| Selwyn | city | Territoire du Yukon | Canada | 62.7833333 | -138.2833333 | 1683 | 0 |
| Semans | city | Province de Saskatchewan | Canada | 51.4 | -104.7333333 | 1850 | 377 |
| Senlac | city | Province de Saskatchewan | Canada | 52.5 | -109.7 | 2211 | 111 |
| Senneterre | city | Province du Quebec | Canada | 48.4 | -77.25 | 990 | 959 |
| Senneville | city | Province du Quebec | Canada | 45.4333333 | -73.9666667 | 121 | 35658 |
| Separation Point | city | Province of Newfoundland and Labrador | Canada | 53.6166667 | -57.4333333 | 3 | 0 |
| Sept-Iles | city | Province du Quebec | Canada | 50.2 | -66.3833333 | 0 | 2679 |
| Sept-Îles | city | Province du Quebec | Canada | 50.2 | -66.3833333 | 0 | 2679 |
| Seton Lake | city | Province of British Columbia | Canada | 50.7 | -122.3 | 1246 | 106 |
| Seton Portage | city | Province of British Columbia | Canada | 50.7 | -122.3 | 1246 | 106 |
| Seven Islands | city | Province du Quebec | Canada | 50.2 | -66.3833333 | 0 | 2679 |
| Seven Sister Falls | city | Province de Manitoba | Canada | 50.1166667 | -96.0333333 | 872 | 419 |
| Seven Sisters Falls | city | Province de Manitoba | Canada | 50.1166667 | -96.0333333 | 872 | 419 |
| Sevenpersons | city | Province d' Alberta | Canada | 49.8666667 | -110.9 | 2473 | 42 |
| Seventy Mile | city | Province of British Columbia | Canada | 51.3 | -121.4 | 3582 | 19 |
| Severn | city | Province d' Ontario | Canada | 55.9833333 | -87.65 | 3 | 191 |
| Severn | city | Province d' Ontario | Canada | 44.7666667 | -79.3333333 | 761 | 2000 |
| Severn Bridge | city | Province d' Ontario | Canada | 44.7666667 | -79.3333333 | 761 | 2000 |
| Sexsmith | city | Province d' Alberta | Canada | 55.35 | -118.7833333 | 2375 | 1686 |
| Seymour Arm | city | Province of British Columbia | Canada | 51.2333333 | -118.95 | 1131 | 229 |