Heart Lake Secondary School, commonly known as HLSS or Heart Lake, is a public secondary school in Brampton, Ontario, Canada. It is located along Conestoga Drive to the north of Wexford Road, and is named after the Heart Lake neighborhood of Brampton it resides in (which is named after the namesake lake located in nearby Heart Lake Conservation Area). The school was founded in 1988 and is a part of the Peel District School Board. The school has 1150 students enrolled as of September 2019. The school

Heart Lake has two SHSM programs: Arts & Culture and Information & Communication technology,.