The study evaluated the major constraints hampering the effective functioning of the Nigerian Agricultural Cooperative and Rural Development Bank (NACRDB) in Kogi State, Nigeria. Using the food crop farmers as a case study, a multi-stage random sampling technique was used to select three agricultural zone in Kogi State ( zone A, B, and C).Primary data were collected through the use of structured questionnaire which were administered to farmers who are clients of NACRDB. The major tool of analysis is the Likert scale of analysis. The study find out that, while unfavourable organization policy, insufficient funding, poor group cohesiveness, poor spread of network of branches, politics in allocation of credit, inadequate competent staff and lack of information are seen as major constraints hampering the effective functioning of NACRDB in Kogi State, high interest rate, misappropriation of fund and inadequate personnel training and development is not a major constraint hampering the effective functioning of NACRDB in Kogi State. [Adofu et al. An Evaluation of The Major Constraints Hampering the Effective Functioning of the Nigerian Agricultural Cooperative and Rural Development Bank in Kogi State, Nigeria. A Case Study of Food Crop Farmers Loan Beneficiaries. International Journal of Agricultural Science, Research and Technology, 2012; 2(2):49-53].