The objectives of this study were to investigate the effects of filler loading and compatibilizer, namely taro powder (TP) and polyethylene-grafted-maleic anhydride (PE-g-MAH) on the tensile properties, swelling behavior, water absorption, morphology analysis, infrared spectroscopy, and thermal stability of recycled high density polyethylene (RHDPE)/ ethylene vinyl acetate (EVA)/ taro powder (TP) composites. In this regard, RHDPE/EVA/TP composites were prepared by using melt blending technique in a Brabender Plasticorder at temperature of 160°C and speed of 50 rpm. The results showed the tensile strength and elongation at break decreased with increasing TP loading while modulus of elasticity, mass swell, water absorption, and thermal stability increased. Nevertheless, the addition of PE-g-MAH greatly improved the tensile strength, modulus of elasticity, and thermal stability. However, the elongation at break, percentage mass swell, and water absorption decreased with the corporation of PE-g-MAH as compatibilizer. The scanning electron microscopy (SEM) results revealed that taro powder filler dispersed in RHDPE/EVA/TP phase composites and better dispersion state of dispersed taro was discovered in RHDPE/EVA/TP composites with addition of PE-g-MAH as compatibilizer. On the other hand, adding PE-g-MAH also resulted in better interfacial adhesion between RHDPE/EVA matrix and TP filler.