Melaleuca manglesii is a plant in the myrtle family Myrtaceae and is endemic to a small area in the south-west of Western Australia.

It is a low, spreading shrub which produces large numbers of heads of purple flowers with yellow tips in spring.

The stamens are arranged in five bundles around the flowers and are deep pink or mauve in colour tipped with a yellow stigma.

Flowering occurs in spring and is followed by fruit which are woody, cup-shaped capsules 2.8–4 mm (0.1–0.2 in) long, arranged in small groups along the stem.

[6] This species is classified as "Priority One" by the Government of Western Australia Department of Parks and Wildlife[6] meaning that it is known from only one or a few locations which are potentially at risk.