Joanna M. Jones (née Dorothy Kain, 1930 – 21 July 2017) was a phycologist, marine biologist and diver.
[1][2] She researched kelp forest ecology adding to the scientific knowledge on its population, reproduction, competition and growth as well as descriptions of subcanopy seaweeds found in kelp forests.
[3] She was president of the British Phycological Society from 1987 to 1988.
[4] Kain was born in Christchurch in 1930.
[1] Kain worked at the Port Erin Marine Laboratory (PEML) until 1991.