Cardinal Leger Secondary School

{{Infobox school

| name = Cardinal Leger Secondary School

| image = File:Cardinal Leger Secondary School Coat of Arms.jpg

| caption =

| address = 75 Mary Street

| city = Brampton

| province = Ontario

| postcode = L6W 3K5

| country = Canada

| coordinates = {{coord|43.6842|N|79.7516|W|display=inline,title}}

| schooltype = Separate High school

| motto = Growing in truth and love.

| religious_affiliation = Roman Catholic

| founded = 1976

| schoolboard = Dufferin-Peel Catholic District School Board

| superintendent = Tammy-Lynne Peel

| trustee = Aneisha Thomas

| principal = Jason Pratt

| grades_label = Grades

| grades = 9 to 12

| enrolment = updated: 1,233 students (includes all Extended and Immersion French students and regular students). [http://www.dpcdsb.org/NR/rdonlyres/52699881-CF9F-42FD-83F3-4A4060E9EA8D/66378/FINALSeptember282010Enrolments2.pdf ENROLMENT REPORT BRAMPTON EAST/CALEDON/DUFFERIN/MALTON as of September 28, 2010] {{webarchive|url=https://web.archive.org/web/20110927172041/http://www.dpcdsb.org/NR/rdonlyres/52699881-CF9F-42FD-83F3-4A4060E9EA8D/66378/FINALSeptember282010Enrolments2.pdf |date=September 27, 2011 }}

| language = English, programs include Extended and Immersion French, Core French, Spanish

| campus = Suburban

| area = Brampton West

| colours = {{colour box|Grey}} {{colour box|Navy}} {{colour box|DarkBlue}}
Grey, Navy and Dark Blue

| mascot = Louie the Lancer

| team_name = Lancers

| url = {{URL|http://www.dpcdsb.org/LEGER/}}

}}

Cardinal Leger Secondary School is a separate school in the downtown sector of Brampton, Ontario, Canada. It is a member of the Dufferin-Peel Catholic District School Board and is connected to both St. Mary's Parish and St. Annes. The school enrolls about 1,233 students.