C. Stuart Houston (September 26, 1927 – July 22, 2021) was an American-born Canadian physician, professor emeritus of medicine in radiology, award-winning ornithologist, historian, and writer.

In 1928 the family moved to Yorkton, Saskatchewan, where Houston's parents started another medical practice.

He was born in Williston, North Dakota and after completing his secondary education at the Yorkton Collegiate Institute, Houston earned his bachelor's degree at the University of Manitoba and graduated there with an M.D.

In 1951 he married Mary Isabel Belcher and the two moved to Yorkton, where he joined his parents' medical practice.

With the support of a George Von L. Meyer Memorial Scholarship, he later studied for a year in affiliation with Harvard Medical School at Children's Hospital Boston.