The purpose of this study was to investigate the effect of 8 week Pilates exercise training program on balance of untrained male youth boys.Thirty healthy untrained male individuals participated in this study. The participants were divided into two groups as Pilates exercise groups (N=15) and control group (N=15). The Pilates exercise group was taken 8 weeks training program and control group was not taking any kind of training program. The balance was measured with the help of Standing Stork Test. The data obtained from the measurements were recorded in the SPSS Windows (17.0) software package. Analysis of Co-Variance was used to find out the effect of Pilates exercise on balance. The level of significance was set at 0.05.The mean of pretest for Pilates exercise group (10.133) and control group (9.066). Further the mean of posttest for Pilates exercise group (20.200) and control group (9.400). The result of ANCOVA shows that there was significant effect of 8 week Pilates exercise training program on balance. In the light of finding it was conclude that Pilates exercise training program improves balance of male youth boys.