Stella Maris Turk, MBE (27 March 1925 – 3 April 2017) was a British zoologist, naturalist, and conservationist. She was known for her activities in marine biology and conservation, particularly as it applies to marine molluscs and mammals. Turk became a Member of the Most Excellent Order of the British Empire in 2002, and was awarded the Stamford Raffles Award by the Zoological Society of London in 1979.