Bolivia held a general election on 3 July 1966, electing both a new President of the Republic and a new National Congress.
| Presidential candidates | Candidates for Vice President | Party/Alliance | Votes | % |
|---|---|---|---|---|
| René Barrientos Ortuño (independent) | Luis Adolfo Siles Salinas (PSD) | FRB | 680,532 | 67.22 |
| Bernardino Bilbao Rioja (FSB) | Gonzalo Romero Álvarez-Garcia (FSB) | CDC | 138,054 | 13.64 |
| Víctor Andrade Uzquiano (MNR) | Rafael Otazo Vargas (MNR) | MNR | 88,099 | 08.70 |
| Mario Díez de Medina (MNR-Paz) | Mariano Baptista Gumucio (MNR-Paz) | MNR-Paz | 61,309 | 06.06 |
| Felipe Iñíguez Medrano (PCB) | Mario Miranda Pacheco (PCB) | FLIN | 33,054 | 03.26 |
| Enrique Hertzog Garaizabal (PURS) | Eduardo Montes y Montes (PL) | AID | 11,400 | 01.13 |
| Valid votes | 1,012,448 | 100.0 | ||
| Invalid votes | 90,503 | |||
| Votes cast | 1,102,951 | |||
| Registered voters | 1,270,611 | |||
| Population | 3,931,909 | |||
FRB – Front of the Bolivian Revolution (Frente de la Revolución Boliviana). Electoral alliance formed by
Popular Christian Movement, MPC;
Social Democratic Party, PSD;
Revolutionary Left Party, PIR;
Authentic Revolutionary Party, PRA.
CDC – Christian Democratic Community (Comunidad Democratica Cristiana). Electoral alliance formed by
Bolivian Socialist Falange, FSB;
National Association of Democratic Professions, ANPD;
Democratic Revolutionary Alliance, ADR.
MNR – Nationalist Revolutionary Movement.
MNR-Paz – Nationalist Revolutionary Movement- Víctor Paz Estenssoro.
FLIN – Liberation Front of the National Left (Frente de Liberación de Izquierda Nacional). Electoral alliance formed by
Communist Party of Bolivia, PCB.
AID – Democratic Institutionalist Alliance (Alianza Institucionalista Democrática). Electoral alliance formed by
Liberal Party, PL;
Republican Socialist Unity Party, PURS.
|
|||||||||||||||||