Abstract: This study investigates the effect of Indium addition on properties of CoCrMo (F75). The samples were prepared by powder metallurgy approach. The corrosion and wear behavior were investigated by using different tests, this tests including mechanical tests (hardness and wear) and electrochemical test (open circuit and potentiodynamic polarization). The results show that the addition of In caused decreasing in porosity. The hardness increases with in addition and the wear rate of F75 alloy decreases with the addition of In (In addition improves wear resistance), this decreasing in wear rate increases as the content of in increases. The corrosion of CoCrMo alloy was improved by the addition of In in both Hank's solution and artificial saliva.