Abstract-This paper applies fuzzy PROMETHEE outrankingMulti-Criteria Decision Analysis Method to solve Supplier ranking problem. The triangular fuzzy concept is applied in order to find the weights of the criteria on the basis of which the suppliers are ranked. In this paper, a total of five criteria have been considered to rank the suppliers. These criteria are -1) experience of the suppliers, 2) quality of the products, 3) delay in delivering the products, 4) the prices of the products and 5) miscellaneous costs. Based on the data on these criteria on each of these suppliers, the preference values and index are first calculated for pair-wise comparison and finally the outranking flows are calculated which indicates the final rankings of the suppliers.