Mairi Lambert Gooden-Chisholm of Chisholm, MM, OStJ (26 February 1896 – 22 August 1981), known as Mairi Chisholm, was a Scottish nurse and ambulance driver in the First World War. She, together with her friend Elsie Knocker, won numerous medals for bravery and for saving the lives of thousands of soldiers on the Western Front in Belgium.