Malacolimax is a genus of air-breathing land slugs, terrestrial pulmonate gastropod molluscs in the family Limacidae, the keelback slugs. Both known species are bright yellow.
The genus consists of:
An endemic species from Tenerife was described as Malacolimax wiktori <small>Alonso & Ibáñez, 1989</small> because it lacks an intestinal caecum, but DNA sequences now imply that it belongs in the genus Ambigolimax.