Arthrocereus rondonianus is a species of plant in the family Cactaceae.

[1] Arthrocereus rondonianus grows somewhat upright with slender, light green shoots up to 50 cm (20 in) long and 2.5 cm (0.98 in) in diameter.

[2] Arthrocereus rondonianus is found in the Brazilian state of Minas Gerais in the Diamantina area at altitudes of 700 to 1200 meters.

The first description by Curt Backeberg and Otto Voll was published in 1951.

Arthrocereus rondonianus was classified as Vulnerable (VU) in the IUCN Red List of Threatened Species 2002.