| Sir Allan MacNab Secondary School | |
| Motto: | Latin: A bonis ad meliora |
| Motto Translation: | From good to better |
| Address: | 145 Magnolia Drive |
| Postalcode: | L9C 5P4 |
| Coordinates: | 43.2315°N -79.9224°W |
| Opened: | [1] |
| Number: | 941719[2] |
| Grades: | 9 to 12 |
| Enrolment: | 873 |
| Enrolment As Of: | January 2016 |
| Superintendent: | Adnan Shahbaz[3] |
| Trustee: | Becky Buck |
| Principal: | Kara Kindree |
| Team Name: | Lions |
| Colors: | Blue, orange |
Sir Allan MacNab Secondary School is located at 145 Magnolia Drive in Hamilton, Ontario, Canada, and is a member of the Hamilton-Wentworth District School Board. Sir Allan MacNab Secondary School opened in 1969 and has 873 students. The school was founded in 1969 and is named for Sir Allan MacNab, the last Premier of Upper Canada before Confederation and a resident, lawyer and politician in Hamilton from 1826 until his death in 1862 at his home, Dundurn Castle. Located on the west mountain of Hamilton, the school catchment area extends into Glanbrook and Ancaster.