William Thomas Kergin

William Thomas Kergin (ca 1876 – July 21, 1961) was a physician and political figure in British Columbia. He represented Skeena in the Legislative Assembly of British Columbia from 1907 to 1909 as a Liberal.

He was born in St. Catharines, Ontario and received his medical degree from the University of Toronto. Kergin interned at the Grace Hospital and later moved to Western Canada. He was in charge of hospitals at Port Simpson and Port Essington, moving to Prince Rupert in 1910 where he practised in partnership with his brother. He married Fanny Simpson. Kergin retired from the practice of medicine in 1940. He died in New Westminster at the age of 85.