Arthur Cowell Stark (27 November 1846 – 18 November 1899) was a medical doctor and naturalist. He emigrated from Torquay, England to Cape Town, South Africa in 1892. He lived in (the British colonies of) South Africa during the last 7 years of his life and died during the Siege of Ladysmith at the age of 53. He is best known for initiating an ornithological work, The Birds of South Africa.