摘要:The purpose of this study was to: 1) Exploring the potential magnitude of zakat in Banyumas and Purbalingga; 2) Identify the payer profile ZISWA 3) Inventory problems that arise in OPZ marketing . The results of this study indicate that the potential of zakat in Banyumas district until 2012 to reach Rp 104 430, 38 990 million up to Rp. 224 525, 3382 million. Potential zakat in Purbalingga reach Rp 56.913.2666 million to Rp 122,363.5232 million. This study also shows that the achievement of the collection of zakat through OPZ is still very small compared to its potential, 0.2 to 1.37% with an average of 0.65% for Banyumas and 0.96 to 1.22 percent with a mean average 1.61 percent to Purbalingga. Muzakki generally Muslims who live in the region of OPZ, 46.7% were in the age group between 31-40 years, 60% male and 93% have some college education, 63.3% have an income between 2-5 million. They are most abundant (36.7%) worked as a civil servant, private sector employees and employers respectively of 23.3 percent. Some of the constraints faced by OPZ is public awareness in how to calculate and distribute funds through OPZ ; limited budget for the operational management of ZISWA, the shortage of human resources and competence to OPZ, dualism centralized leadership and organizational management systems, the lack of commitment to the existence of the agency board. In general OPZ yet fully run relationship marketing in increasing the amount of fundraising ZISWA. OPZ not give sufficient attention to the long time contributors. OPZ not pay attention to the level of satisfaction with the services OPZ contributor, does not have a profile database of contributors. OPZ less involved in the management of long contributor ZISWA. Few donors are willing to participate actively in the management ZISWA in OPZ. Some implications are given in this study.