| City | Region |
|---|
| ›Saanich | British Columbia› |
| ›Saanichton | British Columbia› |
| ›Saguenay | Quebec› |
| ›Saint Albert | Alberta› |
| ›Saint Anns | Nova Scotia-Cape Breton Island› |
| ›Saint Francis | Alberta› |
| ›Saint John | New Brunswick› |
| ›Saint Peters | Nova Scotia-Cape Breton Island› |
| ›Saint Raymond | Quebec› |
| ›Saint-Augustin | Quebec› |
| ›Saint-Hyacinthe | Quebec› |
| ›Saint-Jean-sur-Richelieu | Quebec› |
| ›Saint-Jérôme | Quebec› |
| ›Sally Cove | Newfoundland› |
| ›Salmo | British Columbia› |
| ›Salmon Arm | British Columbia› |
| ›Salmon Bay | Quebec› |
| ›Saltery Bay | British Columbia› |
| ›Sanca | British Columbia› |
| ›Sandspit | British Columbia (Moresby Isl.)› |
| ›Sandy Bay | Saskatchewan› |
| ›Sandy Cove | British Columbia› |
| ›Sandy Lake | Saskatchewan› |
| ›Sarnia | Ontario› |
| ›Saskatoon | Saskatchewan› |
| ›Saugeen Shores | Ontario› |
| ›Sault Ste.Marie | Ontario› |
| ›Sawmill Bay | Northwest Territories› |
| ›Sayabec | Quebec› |
| ›Sayward | British Columbia› |
| ›Scandia | Alberta› |
| ›Scotia Bay | British Columbia› |
| ›Scotstown | Quebec› |
| ›Scugog | Ontario› |
| ›Seaforth | Ontario› |
| ›Sechelt | British Columbia› |
| ›Sedgewick | Alberta› |
| ›Selkirk | Manitoba› |
| ›Sept Iles | Quebec› |
| ›Sexsmith | Alberta› |
| ›Shawinigan | Quebec› |
| ›Sheet Harbour | Nova Scotia› |
| ›Shelburne | Nova Scotia› |
| ›Sherbrooke | Quebec› |
| ›Sherbrooke | Nova Scotia› |
| ›Sherwood Park | Alberta› |
| ›Shippegan | New Brunswick› |
| ›Shubenacadie | Nova Scotia› |
| ›Sicamous | British Columbia› |
| ›Sidney | British Columbia› |
| ›Silverton | British Columbia› |
| ›Simcoe | Ontario› |
| ›Sinclair Mills | British Columbia› |
| ›Sipiwesk | Manitoba› |
| ›Sirdar | British Columbia› |
| ›Skanni Chief | British Columbia› |
| ›Skownan | Manitoba› |
| ›Slocan | British Columbia› |
| ›Smith | Alberta› |
| ›Smithers | British Columbia› |
| ›Smiths Falls | Ontario› |
| ›Smoky Falls | Ontario› |
| ›Snag Junction | Yukon Territory› |
| ›Snowdrift | Northwest Territories› |
| ›Snug Cove | British Columbia› |
| ›Soda Creek | British Columbia› |
| ›Sooke | British Columbia› |
| ›Sorel-Tracy | Quebec› |
| ›Sorrento | British Columbia› |
| ›Souris | Prince Edward Island› |
| ›Souris | Manitoba› |
| ›South Huron | Ontario› |
| ›South Indian Lake | Manitoba› |
| ›Southampton | Ontario› |
| ›Southbank | British Columbia› |
| ›Southbank Ferry Terminal | British Columbia› |
| ›Southend | Saskatchewan› |
| ›Sparwood | British Columbia› |
| ›Speers | Saskatchewan› |
| ›Spence Bay | Nunavut› |
| ›Spences Bridge | British Columbia› |
| ›Split Lake | Manitoba› |
| ›Springdale | Newfoundland› |
| ›Spruce Grove | Alberta› |
| ›Squamish | British Columbia› |
| ›St Marys | Ontario› |
| ›St Ulric (Blanche River) | Quebec› |
| ›St. Andrews | New Brunswick› |
| ›St. Anthony | Newfoundland› |
| ›St. Catharines | Ontario› |
| ›St. George | New Brunswick› |
| ›St. Jerome | Quebec› |
| ›St. Johns | Newfoundland› |
| ›St. Laurent | Quebec› |
| ›St. Lawrence | Newfoundland› |
| ›St. Lunaire | Newfoundland› |
| ›St. Martins | New Brunswick› |
| ›St. Pacome | Quebec› |
| ›St. Pamphile | Quebec› |
| ›St. Pascal | Quebec› |
| ›St. Stephen | New Brunswick› |
| ›St. Walburg | Saskatchewan› |
| ›St.-Felicien | Quebec› |
| ›St.-Leonard | New Brunswick› |
| ›St.Thomas | Ontario› |
| ›Stanley | Ontario› |
| ›Stanley Mission | Saskatchewan› |
| ›Stanstead | Quebec› |
| ›Stanstead Plain | Quebec› |
| ›Stayner | Ontario› |
| ›Ste. Anne-des-Monts | Quebec› |
| ›Steen River | Alberta› |
| ›Steep Rock | Manitoba› |
| ›Steep Rock Lake | Ontario› |
| ›Stephenville | Newfoundland› |
| ›Stewart | Yukon Territory› |
| ›Stewart | British Columbia› |
| ›Stewart Crossing | Yukon Territory› |
| ›Stillwater | British Columbia› |
| ›Stittsville | Ontario› |
| ›Stony Rapids | Saskatchewan› |
| ›Stouffville | Ontario› |
| ›Strachan Creek | British Columbia› |
| ›Stratford | Ontario› |
| ›Strathroy | Ontario› |
| ›Stuie | British Columbia› |
| ›Sudbury | Ontario› |
| ›Sullivan Bay | British Columbia› |
| ›Summerland | British Columbia› |
| ›Summerside | Prince Edward Island› |
| ›Summerville | Nova Scotia› |
| ›Summit Lake | British Columbia› |
| ›Sundown | Manitoba› |
| ›Sunset Beach | British Columbia› |
| ›Sunset Prairia | British Columbia› |
| ›Surprise | British Columbia› |
| ›Surrey | British Columbia› |
| ›Sussex | New Brunswick› |
| ›Swan River | Manitoba› |
| ›Swanson Bay | British Columbia› |
| ›Swartz Bay | British Columbia› |
| ›Sweetwater | British Columbia› |
| ›Swift Current | Saskatchewan› |
| ›Sydney | Nova Scotia› |
| ›Sylvan Lake | Alberta› |
