Adenanthos venosus is a species of flowering plant in the family Proteaceae and is endemic to a restricted part of the southwest of Western Australia.

The flowers are dull crimson to pinkish purple with a cream-coloured band in the centre and many glandular hairs on the outside.

[2][3] Adenanthos venosus was first formally described in 1856 by Carl Meissner in de Candolle's Prodromus Systematis Naturalis Regni Vegetabilis from specimens collected by James Drummond in the Swan River Colony.

[6] This species grows among quartzite rocks and on rocky sandstone ridges in the Fitzgerald River National Park in the south-west of Western Australia.

[2][3] This adenanthos is list as "not threatened" by the Western Australian Government Department of Biodiversity, Conservation and Attractions.