| Kendellhurst Academy, Licensed Child Care Centre | Oakville |
| Kerr Street Mission, Community Social Services | Oakville |
| Kerr Street Mission, Food Market | Oakville |
| Kerr Street Mission, Youth Connected | Oakville |
| Kerry's Place Autism Services, Kennedy Mississauga Resource Centre | Mississauga |
| Kidex Childcare, Licensed Child Care Centre | Oakville |
| KidLogic Child Care Learning Centres, Oakville, Licensed Child Care Centre | Oakville |
| Kidlogic Child Care Learning Centres, Burlington, Licensed Child Care Centre | Burlington |
| Kids & Company Child Care Centre, Burlington Children's Centre, Licensed Child Care Centre | Burlington |
| Kids & Company Child Care Centre, Burlington - Appleby Line, Licensed Child Care Centre | Burlington |
| Kids & Company Child Care Centre, Burlington - Burloak Dr, Licensed Child Care Centre | Burlington |
| Kids & Company Child Care Centre, Burlington - Guelph Line, Licensed Child Care Centre | Burlington |
| Kids & Company Child Care Centre, Milton, Licensed Child Care Centre | Milton |
| Kids & Company Child Care Centre, Oakville - Cornwall Rd, Licensed Child Care Centre | Oakville |
| Kids & Company Child Care Centre, Oakville - Dundas St E, Licensed Child Care Centre | Oakville |
| Kids & Company Child Care Centre, Oakville - Joshua Creek, Licensed Child Care Centre | Oakville |
| Kids & Company Child Care Centre, Oakville - Wyecroft Rd, Licensed Child Care Centre | Oakville |
| Kids Help Phone, Crisis Text Line | Toronto |
| Kids Help Phone, Group Wellness Programs | Toronto |
| Kids Help Phone | Toronto |
| KidSport Ontario - Halton Chapter, Recreation Expense Assistance | Halton Region |
| Kidsville Early Learning Center, Burlington, Licensed Child Care Centre | Burlington |
| Kidz Korner, Licensed Child Care Centre | Milton |
| Kinder Buddies Childcare and Development Centre, Licensed Child Care Centre | Oakville |
| Kinder Kids International Academy, Licensed Child Care Centre | Oakville |
| Kinderhuis Montessori, Licensed Child Care Centre | Oakville |
