The present utility model relates to an autonomous interior painting robot for homes, commercial premises, hotels, etc. The robot is designed for painting and outlining while recognizing obstacles in the work area and aimed at reducing the efforts and time needed to carry out these operations. It is applicable in the field of interior design and the completion of small conditioning works. The autonomous painting robot comprises a mobile base (1) equipped with a paint tank and a pump or compressor, characterized in that the base (1) comprises a series of detectors configured to locate the base (1) and to detect obstacles, a substantially vertical lifting column (4), at the end of which a robot arm (5) is articulated and topped with a head (6) that carries a paint gun (7) connected to the pump, one or more cameras (9), and a proximity sensor (10).