A new and distinct Aloe rauhii cultivar named ‘DEMI’ which is characterized by a flattened globular profile with foliage arranged in a short and compact rosette, strong broad ovate to near deltoid foliage with a long apiculate apex, dark green general coloration of the leaf, and foliage that is densely covered with raised, elongated papillae that are tightly arranged in distinct longitudinal rows which cover the entirety of both leaf surfaces. The new variety has shown to be uniform and stable in the resulting generations from asexual propagation.