Malacothamnus parishii is a species of flowering plant in the mallow family known by the common name Parish's bushmallow.

[1] It is endemic to San Bernardino County, California, where it is confirmed from only a single collection from 1895.

It has a California Rare Plant Rank of 1A (Plants presumed extirpated in California and either rare or extinct elsewhere).

[2] Malacothamnus parishii is currently treated as an extreme form of Malacothamnus fasciculatus var.

Phylogenetic analyses are needed to confirm whether it should be treated as a separate species or not.