The main purpose followed in this study was to evaluate the role of social capital on Organizational Learning (OL) of Jihad-e-Agriculture Organization's staffs. The statistical population consisted of all staffs of Jihad-e-Agriculture Organization in Kurdistan Province (N=150). Applying census, a questionnaire was sent to all the members of the study from whom 124 members finally filled in the questionnaire and returned. The validity of the questionnaire had been confirmed by a panel of experts and its reliability confirmed through Cronbach's Alpha coefficient (?>0.7). Data was analyzed through an application of SPSSwin16 software. Results of mean comparison indicated a significant differences among OL of Jihad-e-Agriculture staffs as based on the levels of social capital. Results of Correlation Analysis showed a positive and significant relationship between any one of the social capital components and OL. Also the results of path analysis revealed that components of social capital as based on their effects on OL could be listed as follows: collective identity with a total effect of 54.3%, collective coherence with 39.6% total effect, mutual cooperation with a total effect of 39.3%, trust with a sum of 38.3% total effect, networks and common norms affecting OL by of 27.8%, and finally cooperation and voluntary participation with a total effect of 21.9%, Empathy, and mutual understanding & respect did not affect OL. In total, social capital components determined some 62.5% of variations in of OL among Jihad-e-Agriculture organization staffs.