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Volunteer Movement and deliver services to society is phenomenons of  coeval universe.The aim of this research work was to present a pattern for Iran`s sports volunteer absorbance management information system requirement analysis. This investigation was of descriptive-analytic sort and in regard for practical goal, it was type of (UML) methodology and it used object-oriented design model (RUP). The questionnaire implements were prepared.The statistic-population consisted:All youth and sports ministry deputies, directors of all staffs All presidents, vice presidents and professors of Iran`s sports federations.Census method was opted for sampling. Validity of the survey was confirmed by sports management professors and software science professors. Reliability of questionaire was obtained by Brown-Spearman 87/ split-half experiment and Cronbach`s alpha ratio calculation 72/.Findings showed: sports volunteer absorbance management information system requirement was presented which contained: human resource, planning, registration and acceptance, introduction, financial and support, education and advocating, reward and retrain. Iran`s candidate stakeholders were identified and eventually requirement analysis pattern was presented. Identification of information needs is the basis of voluntary information system management, because if the knowledge of the system is not well done, effective interaction between the volunteers and the information system management will not come about. For this reason, the basis for the analysis of the requirements of the information management system of sports volunteers is the identification of information needs.