Hackelia cusickii is a species of flowering plant in the borage family known by the common name Cusick's stickseed.

The plant is native to the Modoc Plateau in the northeastern corner of California and adjacent sections of Nevada and Oregon.

It grows at elevations of 1,300–1,950 metres (4,270–6,400 ft), in subalpine coniferous forest, Northern Sierra juniper woodlands, and talus of alpine fell-field habitats.

Hackelia cusickii is a perennial herb up to about 50 centimetres (20 in) tall and coated thinly in stiff hairs.

Each flower is just over a centimeter wide with blue lobes with white appendages at the bases.