Madeline Mary Ravenna Lewellin (1854 – 24 November 1944) was an Australian artist and botanical collector.
[2] She studied painting at the National Gallery School in 1879 under Eugene von Guerard.
[3] Lewellin was known for collecting and painting specimens, and became a member of the Field Naturalists Club of Victoria in 1885.
[3] She collected plants for Australian botanist Ferdinand von Mueller, and the variety of Dicrastylis lewellinii (Purple sand-sage) is named after her.
[4] Her recreation of a known painting Cattle in Storm was said to "place upon her canvas almost the same expression of wildness, terror and amazement in the faces and eyes of the beasts as appear on the original.