Pari gbolohun yii: 4th Corps () tabi Cửu Long Corps (, ni itumọ ọrọ gangan: "Corps of Cửu Long" tabi "Corps of the Mekong") jẹ ọkan ninu awọn ọmọ ogun ogun deede mẹrin ti Ọmọ-ogun Awọn eniyan ti Vietnam. Ti a ṣeto ni igba akọkọ ni ọdun 1974 lakoko Ogun Vietnam, 4th Corps ni ipa pataki ninu Igbimọ Ho Chi Minh ati awọn
Ogun Cambodia-Vietnam. Lónìí àwọn ọmọ ogun wa wà ní Dĩ An, Bình Dương.