Myrmecia nobilis is species of ant. It belongs to the Myrmecia genus, and was described by Clark in 1943. Native to Australia, Myrmecia nobilis has only been observed in Victoria, particularly the Melbourne Metropolitan Area. Myrmecia nobilis has a similar appearance of the M. froggatti and M. maura, and also appear to be closely related, but are all distinct species from one another. Myrmecia nobilis is around 10-14 millimetres long. Mandibles are yellowish red, and mesonotum, epinotum and node are red.