Tboung Khmum (, "Bee's Diamond") is a province (khaet) of Cambodia located on the central lowlands of the Mekong River. It borders the provinces of Kampong Cham to the west, Kratié to the north, Prey Veng to the south, and shares an international border with Vietnam to the east. Its capital and largest city is Suong. The province's name consists of two words in Khmer, tboung (gem, precious jewel) and khmum (bee), which together mean "amber".