Lucy Evelyn Cheesman OBE (8 October 1881 – 15 April 1969) was a British entomologist and traveller. Between 1924 and 1952, Cheesman went on 8 solo expeditions in the South Pacific, and collected over 70,000 specimens, which she accompanied with sketches and notes. These are now part of the collections of the Natural History Museum in London. Cheesman published extensively about her previous work and travels. In 1955, she was appointed an OBE for her services to science.