Prostantheroideae is a subfamily of plants in the family Lamiaceae, endemic to Australia.

Genera include: Brachysola Chloanthes Cyanostegia Dasymalla Dicrastylis Hemiandra Hemigenia Hemiphora Lachnostachys Microcorys Muniria Newcastelia Physopsis Pityrodia Prostanthera Quoya Westringia

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