Sha Lek Highway (Chinese: 沙瀝公路) is a highway in Sha Tin District, New Territories, Hong Kong. It runs 1.5 km from Tate's Cairn Highway in Siu Lek Yuen to Sha Tin Road and Sha Tin Wai Road and has a speed limit of 80 km/h. It is one of the only three highways (the others being Penny's Bay Highway and Hong Kong Link Road) in Hong Kong not assigned to any numbered highway system.