| Organization Name(s) | Located In |
| Ka Na Chi Hih Specialized Solvent Abuse Treatment Centre | Thunder Bay |
| Ka Nen Our Children Our Future | Thunder Bay |
| KAIROS, Canadian Ecumenical Justice Initiatives | Toronto |
| KAIROS, Canadian Ecumenical Justice Initiatives, Thunder Bay Committee | Thunder Bay |
| KAIROS, Community Resource Centre | Thunder Bay |
| Kaleidoscope Cooperative Homes | Timmins |
| Kapuskasing and District Chamber of Commerce | Kapuskasing |
| Kapuskasing Diabetes Education Centre | Kapuskasing |
| Kapuskasing Foot Care and Orthotic Centre | Kapuskasing |
| Kapuskasing Public Library | Kapuskasing |
| Kay Bee Seniors Non Profit Housing | Thunder Bay |
| Keewatin Patricia District School Board | Kenora |
| Keewatin Patricia District School Board, Adult Education | Dryden |
| Keewatin Patricia District School Board, Adult Education | Red Lake |
| Keewatin Patricia District School Board, Adult Education | Kenora |
| Keewatin Patricia District School Board, Adult Education | Ignace |
| Keewatin Patricia District School Board, Adult Education | Sioux Lookout |
| Keewaywin First Nation | Keewaywin |
| Keizer Pharmacy Ltd | Iroquois Falls |
| Keleher, Dr Gary, Psychological Therapy and Assessments | Sault Ste Marie |
| Ken Brown Recovery Home | Sault Ste Marie |
| Kenabutch Health Centre | Cutler |
| Kenora Catholic District School Board | Kenora |
| Kenora Chiefs Advisory | Kenora |
| Kenora District Services Board, Ontario Works | Sioux Lookout |
| Kenora District Services Board, Ontario Works | Dryden |
| Kenora Patricia Children and Family Services | Kenora |
| Kenora Sexual Assault Centre | Kenora |
| Kevin Sagutcheway Memorial Nursing Station | Kenora District |
| Kidney Foundation of Canada (The) | Sault Ste Marie |
| Kidney Foundation of Canada (The), Northern Superior Chapter | Thunder Bay |
| Kids Help Phone | Toronto |
| Kids N Cops | Thunder Bay |
| KidsHope Promoting Healthy Lifestyles Inc | Sault Ste Marie |
| Killarney Health Centre | Killarney |
| Kin Club of Valley East | Val Thérèse |
| Kina Gbezhgomi Child and Family Service | Wikwemikong |
| Kinderplace Child Care Centre | Thunder Bay |
| Kinna Aweya Legal Clinic | Thunder Bay |
| Kinna Aweya Legal Clinic | Marathon |
| Kinna Aweya Legal Clinic | Armstrong |
| Kinna Aweya Legal Clinic | Geraldton |
| Kinna Aweya Legal Clinic | Nipigon |
| Kinsmen, Hill City, Kin Canada | Thunder Bay |
| Kinsmen, Northwood Centre | Thunder Bay |
| Kinsmen Club of Sault Ste Marie | Sault Ste Marie |
| Kinsmen Club of Thunder Bay, Fort City | Thunder Bay |
| Kirkland Pharmacy Limited | Kirkland Lake |
| Kitchenuhmaykoosib Equaygamik | Big Trout Lake |
| Kitchitwa Kateri Anamewgamik | Thunder Bay |
| Kiwanis Club of Thunder Bay | Thunder Bay |
| Kiwanis Club of Timmins Inc | Timmins |
| Kiwanis Club of Westfort | Thunder Bay |
| Knights of Columbus, Council 5005 | Hanmer |
| Knights of Columbus, Fort William | Thunder Bay |
| Knights of Columbus, Port Arthur, Leo Council 1130 | Thunder Bay |
| Knights of Columbus, Superior Council 932 | Sault Ste Marie |
| Knights of Pythias, Amethyst Lodge 49 | Thunder Bay |
| Knox Presbyterian Church | Sudbury |
| Knox United Church, North Ward | Thunder Bay |
| Knox United Church, South Ward | Thunder Bay |
| Koop, Dr Victor, Physician | Lively |
| Krawczuk, Dr Daniel, Physician | Sudbury |
| Kuchtaruk, Dr Andrew, Family Physician | Sudbury |
| Kumar, Dr Vijay, Pediatrician | Sudbury |
| Kurys, Dr Raymond, Dentist | Timmins |
