The Sri Lanka Armed Services Long Service Medal (Sinhala: ශ්රී ලංකා සන්නද්ධ සේවා දීර්ඝ සේවා පදක්කම Śrī Laṃkā ārakśaka sēvā dhīrgha sēvā padakkama) is a service award presented to all ranks of the tri-forces of Sri Lanka. Service personnel are eligible for the award on the completion of 12 years' continuous (desertion or absence without leave act as disqualifiers) service with perfect character and discipline.