The application of natural fiber composite material in structural and interior parts of the automotive system is emerging. In this article an investigation is made to understand the effect of abrasive water jet machining parameters on surface roughness and kerf angle of the Curaua and Basalt fibers hybrid reinforced polyester composites. To identify the most effective machining parameter the MOORA and Principle Component method are used. It is found that jet pressure and feed rate are the most significant factors in influencing the surface roughness and kerf angle. Further, the effect of basalt content in the Curaua composites mechanical properties of Curaua composites, perhaps, a minor influence, is found with parameter optimization of basalt content.