Mary Elizabeth Mohl or Mary Elizabeth Clarke (22 February 1793 – 15 May 1883) was a British writer who was known as a salon hostess in Paris. She was known by her nickname of "Clarkey". She was admired for her independence and conversation. She eventually married the orientalist Julius von Mohl. She was an ardent Francophile, a feminist, and a close friend of Florence Nightingale. She wrote about her interest in the history of women's rights.