Kampong Trabaek District (Khmer: ស្រុកកំពង់ត្របែក, pronounced [kɑmpoŋ trabaek]) is a district located in Prey Veng Province, in south eastern Cambodia. The district is bordered by Svay Rieng Province to the east, Vietnam to the south, Mesang District to the north and Prah Sdach District to the west.

Kampong Trabek District is divided into 13 communes, organized into 122 villages. The communes are:

11°8′N 105°29′E / 11.133°N 105.483°E / 11.133; 105.483