Dr. Tahir Sultan Shamsi (Urdu: ڈاکٹر طاہر سلطان شمسی; 18 February 1962 – 21 December 2021) was a Pakistani professor of medicine, researcher and pioneer of Bone marrow transplant in Pakistan worked as a clinical hematologist and bone marrow transplant physician.

He established the National Institute for Blood Diseases (NIBD).

Shamsi is credited with introducing bone-marrow transplants in Pakistan in 1996.

So far, he performed 650 bone-marrow transplants and wrote over 100 research articles.

This biographical article related to medicine in Pakistan is a stub.