Katherine Stewart

Katherine Stewart may refer to:

• Kat Stewart, Australian actress
• Katherine Stewart (journalist), American writer
• Katherine Stewart Flippin (1906-1996), African American special educator
• Katherine Stewart-Jones, Canadian cross-country skier
• Katherine Stewart MacPhail (1887-1974), Scottish surgeon
• Katharine Stewart-Murray, Duchess of Atholl (1874–1960), British noblewoman and Scottish Unionist Party politician