Jessie Alexander (2 June 1876 – 27 March 1962) was a New Zealand Presbyterian deaconess and missionary.
She was born in Brantford, Ontario, Canada, on 2 June 1876.In the 1947 New Year Honours, Alexander was appointed a Member of the Order of the British Empire, for social welfare work with Maori children.Alexander died in Auckland on 27 March 1962, and she was buried at Purewa Cemetery.