Cities and Communities in Southern Ontario
(check also Northern Ontario)
| Kaboni | Kendal | Kilworth | Kintore |
| Kagawong | Kenilworth | Kilworthy | Kiosk |
| Kahshe Lake | Kenmore | Kimberley | Kiowana Beach |
| Kaladar | Kennaway | Kinburn (Ottawa-Carleton) | Kippen |
| Kanata | Kennisis Lake | Kinburn (Huron) | Kirby |
| Kars | Kent Bridge | Kincardine | Kirk Cove |
| Katrine | Kerwood | King City | Kirkfield |
| Kawartha Park | Keswick | Kingsbridge | Kirkton |
| Keady | Kettle Point | Kingston | Kitchener |
| Kearney | Kettleby | Kingsville | Kleinburg |
| Keene | Key River | Kinhuron | Klueys Bay |
| Keldon | Keyser | Kinkora | Kohler |
| Keller Bridge | Khartum | Kinloss | Komoka |
| Kellys Corner | Kilbride | Kinlough | Kramer |
| Kelvin | Killaloe | Kinmount | Kurtzville |
| Kemble | Killarney | Kinsale | |
| Kemptville | Kilsyth | Kintail |