Cassinia macrocephala is a species of flowering plant in the family Asteraceae and is endemic to northern New South Wales.

It is a shrub with narrow linear leaves and spherical, white to cream-coloured or yellowish-green heads.

The flowers heads are spherical, white to cream-soloured or yellowish-green and arranged on a peduncle, each head with five to seventeen white florets surrounded by involucral bracts.

[2] Cassinia macrocephala was first formally described in 2004 by Anthony Edward Orchard in Australian Systematic Botany from specimens collected near Moonbi in 2004.

[2] Subspecies macrocaphala occurs on the Northern Tablelands,[6] subsp.