Dorothy J. Killam was an American-born Canadian philanthropist. She was the wife of Canadian financier Izaak Walton Killam. When he died in 1955 she inherited his fortune and continued to build it until her own death 10 years later. She engaged in philanthropic activity during her lifetime and left her estate to a number of Canadian educational and research institutions.

IWK Health is a major women's and children's (pediatric) hospital and trauma centre in Halifax, Nova Scotia that provides care to maritime youth, children and women from Nova Scotia, New Brunswick, Prince Edward Island and beyond. The IWK is the largest facility in Atlantic Canada caring for children, youth and adolescents, and is the only Level 1 pediatric trauma centre east of Quebec.