In this article, has been tried identifying and prioritizing Effective factors on recruiting volunteers in sport for all in Islamic Republic of Iran. The method of this study was descriptive-correlation. The statistical populations were the managers of sport for all federation, experts of administration of physical education and faculty members. The researcher-made questionnaire consist of 25 variable was used to collecting the data that its validity and reliability was confirmed by factor analyzed method (IFA & CFA). Freidman test (p ≤ 0.05) was elected to hypothesis testing. Twenty one variables were selected and classified into five categories “volunteers committee, marketing, informing, general advertising and personal advertising”. A five-point Likert scale was used to determine items significance. The results showed that the most important variable was “informing by teachers about the importance of sport for all and volunteerism (4.32±0.80; mean±SD)” and the least important variable was “sending massage to people’s mail box (3.76±0.93)”. So, managers should find potential volunteer resources and recruit them to complete their human resources by informing, advertising and marketing