Melaleuca linearis, commonly known as narrow-leaved bottlebrush, is a plant in the myrtle family, Myrtaceae and is endemic to New South Wales and Queensland in Australia. (Some Australian state herbaria continue to use the names Callistemon linearis, Callistemon pinifolius and Callistemon rigidus.) It is a medium-sized shrub with narrow leaves which have a rigid point, and red flower spikes in late spring or early summer.