A study has been made to assess the wear resistance of SiCp-epoxy nanocomposites. The required amount of SiC particles (1.5 wt. %) was dispersed in epoxy resin using an ultrasonicator. It was cured at room temperature for 24 h by adding the appropriate curing agent. The wear test was performed by pin-on-disc method, in which the pin and disc are made with SiCp-epoxy composite and steel, respectively. Wear loss and friction coefficient were determined at a normal pressure of 5 MPa and sliding velocity of 3 m/s. The results are compared with the pins made from neat epoxy resin and SiCp-epoxy composite containing 1.5 wt. % micron-size SiC particles. It was found that the wear resistance of epoxy is increased by the incorporation of SiC particles. The wear resistance of SiCp-epoxy composites with nanoparticles is better than that of composites with micron-size particles. The friction coefficient of epoxy is slightly reduced by the addition of micro-SiC particles, whereas it is significantly reduced by the addition of SiC nanoparticles. Microstructural analysis carried out on contacting surfaces after wear testing showed extensive damage on epoxy surface and slight scuffing on the surface of the composite made with micron-size SiC, whereas the surface of SiCp-epoxy nanocomposite is smooth. The formation of transfer film is observed on the counter face slid against the nanocomposite, which is responsible for the higher wear resistance and low friction coefficient of this composite. This study suggests the possibility of using SiC nanoparticles dispersed epoxy resin as a matrix material for making advanced wear resistant composites.