World Breastfeeding Week World Breastfeeding Week is celebrated in Canada from October 1-7. Check out our posts below for more information on previous years: World Breastfeeding Week 2022 World Breastfeeding Week 2021 World Breastfeeding Week 2020 World Breastfeeding Week 2017 World Breastfeeding Week 2016 World Breastfeeding Week 2015