The Stephen J.R. Smith School of Business or the Smith School of Business (formerly the Queen's School of Business) is a business school located at Queen's University in Kingston, Ontario, Canada. The school offers undergraduate and graduate programs as a part of Queen's University, but is managed separately with its own dean and budget. The school of business became its own faculty in 1963 with its first dean, Lawrence Macpherson. The current dean at the Smith School of Business is Dr. David Saunders.

The school is fully accredited by the AACSB (United States) and the EFMD (EQUIS) (Europe).

Naming

On October 1, 2015, the Queen's School of Business was renamed The Stephen J.R. Smith School of Business in recognition of a $50-million donation from Stephen J.R Smith. Smith, a graduate of the Queen's University's Faculty of Engineering.