Leucostele tunariensis is a species of columnar cactus native to South America.

[2] Leucostele tunariensis exhibits a columnar growth pattern, branching from the base and attaining heights between 2 and 3 meters.

The plant produces funnel-shaped, pink to red flowers near the shoot tips that bloom at night.

[3][4] Leucostele tunariensis is native to the Cochabamba department in Bolivia, specifically in the Cercado province on Cerro Tunari at elevations between 3000 and 3800 meters.

Additional nomenclatural synonym include Echinopsis tunariensis (Cárdenas) H. Friedrich & G. D. Rowley (1974).