Mari Scott Bicknell MBE (née Henderson; 1 February 1914 – 15 March 2003) was founder and director of Cambridge Ballet Workshop, a dance company that taught generations of young ballet dancers. Born Mari Scott Henderson in Kensington, London, Bicknell began her career studying with Vera Trefilova in Paris, and later with Tamara Karsavina. She later danced with Sadler's Wells Ballet. In 1936, after her marriage to the architect Peter Bicknell, she began teaching ballet in Cambridge to young dancers aged from 10 to 20 years old.