The 4th Politburo of the Lao People's Revolutionary Party (LPRP), officially the Political Bureau of the 4th Central Committee of the Lao People's Revolutionary Party, was elected in 1986 by the 1st Plenary Session of the 4th Central Committee, in the immediate aftermath of the 4th National Congress.

By 1990 the Politburo was in bad shape. Souphanouvong was convalescing from a stroke he suffered in 1986, Nouhak Phoumsavan began failing intermittently and Kaysone Phomvihane was suffering from several bouts of illness.

Members Rank Name Akson Lao 3rd POL 5th POL Birth Death Type Gender 1 ໄກສອນ ພົມວິຫານ 1924 1992 Member Male 2 ໜູຮັກ ພູມສະຫວັນ 1920 2008 Member Male 3 Souphanouvong ສຸພານຸວົງ 1909 1995 Member Male 4 ພູມີ ວົງວິຈິດ 1909 1994 Member Male 5 ຄໍາໄຕ ສີພັນດອນ 1924 2025 Member Male 6 ພູນ ສີປະເສີດ 1920 1994 Member Male 7 ສີສົມພອນ ລໍວັນໄຊ 1916 1993 Member Male 8 ສີສະຫວາດ ແກ້ວບຸນພັນ 1928 2020 Member Male 9 ສາລີ ວົງຄໍາຊາວ 1925 1991 Member Male 10 ໄມຈັນຕານ ແສງມະນີ 1922 1999 Member Male 11 ສະໝານ ວິຍະເກດ 1927 2016 Member Male 12 ອຸດົມ ຂັດຕິຍະ 1931 1999 Alternate Male 13 ຈູມມາລີ ໄຊຍະສອນ 1936 — Alternate Male References:

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