Introduction: Fine Needle Aspiration Cytology is a rapidand economical mode of preoperative diagnosis. It has early availability of results & simple procedure with minimal trauma and complications but it has limited literature in pediatric age group and cystic lesions with and remains an area which needs more light. Objective: To evaluate the role of fine needle aspiration cytology as a diagnostic tool for cystic lesions in paediatric patients of age up to 12 years. Methods: A retrospective study was undertaken toevaluate efficacy of FNAC in diagnosis of cystic lesions in paediatric age group patients of age upto 12 years presenting in the department of pathology of a tertiary care teaching hospital. Case sheets for 2 years study duration were studied and analysed for data.