| Event Name: | 4th National Congress of the Lao People's Revolutionary Party |
| Participants: | 300 delegates |
| Date: | 13–15 November 1986 (3 days) |
| Result: | The election of the 4th Central Committee |
The 4th National Congress of the Lao People's Revolutionary Party (LPRP) was held in Vientiane on 13–15 November 1986. The congress occurs once every five years. A total of 300 delegates represented the party's nearly 45,000 card-carrying members.[1]