Kampong Tralach District (Khmer: ស្រុកកំពង់ត្រឡាច) is a district (srok) in the south east of Kampong Chhnang Province, in central Cambodia. The district capital is Kampong Tralach town located 37 kilometres south of the provincial capital of Kampong Chhnang by road. The district shares a border with Kandal province to the south and Kampong Cham province to the east.