tKaffir lime (Citrus hystrix D.C.) leaves are widely used as aromatic herb and food ingredient. Dryingprocess is required to preserve this product. In the present study, drying behavior of kaffir lime leaves wasinvestigated in a fluidized bed dryer with sand as inert particles under different superficial air velocities(0.6, 0.7 and 0.8 m/s) and mass ratios of kaffir lime leaves to sand (without inert, 0.04, 0.02 and 0.01) ata constant temperature of 50◦C. Effects of air velocity and mass ratio of kaffir lime leaves to sand werestudied. The results showed that the rate of drying increased with increasing superficial air velocity. Itwas found that the presence of inert particles enhanced the drying rate. However, the rates of dryingdecreased when higher ratios of kaffir lime leaves to sand were used. Page model was the most suitablemodel to represent the drying kinetics experimental results with the highest r2and the lowest RMSEvalues compared to the other drying models. The effective moisture diffusivity was found to increasewith the increase in air velocity. Within the range of variables used, the values were reported to be variedfrom 2.61 × 10−11to 9.24 × 10−11m2/s. Comparison was made for the products dried using differentdrying methods (fluidized bed, sun and oven) in terms of color, composition of essential oil and vitaminC and A contents. No significant loss in the composition of essential oil, vitamin C and A contents and thecolor of kaffir lime leaves when drying in the fluidized bed dryer.