The scarlet myzomela or scarlet honeyeater (Myzomela sanguinolenta) is a small passerine bird of the honeyeater family Meliphagidae native to Australia. It was described by English ornithologist John Latham in 1801. At 9 to 11 centimetres (3.5 to 4.3 in) long, it is the smallest honeyeater in Australia.