Various models for adsorption of polymers and disordered surfaces are presented. Such models range from certain weak random surfaces to fractal surfaces possessing self-similar properties. Common to all models is that adsorption properties are enhanced compared to the adsorption on flat surfaces. The reaction for this enhancement is that the configurational entropy in the disordered case is less restricted compared to the flat case where the chains become significantly non-Gaussian for large adsorption energies.