In this study, polyamide (PA) matrix was reinforced with neat and surface modified halloysite nanotubes at different concentrations. The preparation of composites was carried out using lab-scale micro-compounder and the test samples were prepared by injection-molding process. Physical and Surface characteristics of HNT samples were investigated by lazer diffraction, porosity analysis and infrared spectroscopy in ATR mode. Mechanical, thermal and structural investigations of PA based composites were reported via tensile, hardness, and impact tests, differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA) and X-ray diffraction analysis (XRD) techniques, respectively. According to mechanical test results, additions of HNT to PA matrix caused slight improvements for tensile strength and Youngs’ modulus parameters. The optimum concentrations for HNT were estimated by comparison of mechanical test data. Thermal studies reveal that decomposition temperature (Td) of PA shifted to higher values after inclusion of HNT into polymer matrix. Dispersions of HNT into PA phase were examined by the help of XRD test results.