The study investigated the influence of research self-efficacy on research productivity of doctoral students in universities in Ogun State, Nigeria. The study employed a survey research design drawing on a sample of 309 respondents out of a target population of 1,418 doctoral students from six participating universities guided by the Research Advisor’s Table. Findings of the study established that research productivity of doctoral students in universities in Ogun State, Nigeria was low. The low research productivity manifested in form of unusually prolonged doctoral education, high attrition rates, difficulties/inability to complete doctoral thesis which is the hallmark of doctoral education and poor research publication measured in quality and quantity. The study also established a positive significant relationship between research self-efficacy and research productivity of doctoral students. The study concluded by recommending periodic review of curriculum to reflect changes in the ever-dynamic information landscape.