1905 All England Badminton Championships

The 1905 All England Open Badminton Championships was a badminton tournament held at the London Rifle Brigade Drill Hall, London, England, from March 1 to March 4, 1905.

Henry Marrett retained his men's singles title. Ethel Thomson and Meriel Lucas won a third women's doubles crown after retaining their title. Lucas also won her second singles title. There were no entries from Ireland.