The purpose of this research is to realise how organisations have been sustaining their growth through applying entrepreneurial behaviour factors. Regarding the thematic nature of research model, experts' opinion in oil industry, companies in oil industry have been examined in the current study included: 1) oil pipeline and telecommunication company; 2) oil products distribution company; 3) National Gas Company in Semnan and Khorasan province have been brought for this research as statistic population. The number of experts participating in the study is 30 persons who were interested in improving discussion. The main tools used for gathering the data in this study were company records and questionnaire. In this study, structural factors, underlying factors, behaviour factors sub-criteria were ranked regarding to criteria related to different levels of entrepreneurial behaviour sub-criteria of oil industry by using fuzzy analytic hierarchy process (FAHP). The results obtained from fuzzy AHP method according to the entrepreneurial behaviour factors indicate that structural factors are more important than underlying factors and behaviour factors. According to the structural factors scale, it is concluded that entrepreneur organisation structure is more important than other factors.Keywords: entrepreneur; entrepreneurship benefits; entrepreneurial behaviour; fuzzy analytic hierarchy process; FAHP.Reference to this paper should be made as follows: Parhizgar, M.M. and Keshavarz, E. (2018) 'Identifying and prioritisation entrepreneurial behaviour factors using fuzzy AHP approach', Int.