The Thunder Bay Regional Health Sciences Foundation (TBRHSF) is a not-for-profit organization created to raise funds to support health care in Northwestern Ontario. Donations to the Health Sciences Foundation support new medical equipment, technology and a variety of treatment programs in areas of health care including paediatrics, renal, emergency and others, with all funds remaining in Northwestern Ontario. The TBRHSF's mission statement is "To raise funds to support excellence in health care for the people of Northwestern Ontario."
On April 1, 2008, it was combined with the Northern Cancer Research Foundation.
The TBRHSF supports three specialty funds: