Hypocalymma minus is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to the south west of Western Australia.

[2][3][4] This species was first formally described in 2003 by Arne Strid and Gregory John Keighery in the Nordic Journal of Botany who gave it the name Hypocalymma cordifolium subsp.

minus from specimens collected by Strid near Brennan's Ford east-north-east of Augusta in 1982.

[5][6] In 2013, Greg Keighery raised to subspecies to species status as Hypocalymma minus in the journal Nuytsia.

[8] This species of Hypocalymma grows in near coastal, winter-wet areas from near Busselton to Denmark in the Jarrah Forest and Warren bioregions of south-western Western Australia.