Los Toldos is an archaeological site in Santa Cruz, Argentina, which has evidenced human activity dating back almost 13,000 years ago. It is the namesake of the Toldense culture group.

The site is located south of the Deseado River, in the Canadon de las Cuevas.

Cave 3 of Los Toldos is located next to a ravine. Human settlement of the cave is dated around 12,000 years ago. The entrance to the cave is approximately 12 meters wide. Excavations carried out by archaeologist Augusto Cárdich and a team of specialists and students from the National University of La Plata (UNLP) have excavated twelve archaeological strata in the cave, with a total depth of two meters.