1966 Guatemalan general election
# 1966 Guatemalan general election

General elections were held in Guatemala on 6 March 1966. After no candidate received 50% or more of the national vote, Julio César Méndez Montenegro was elected President by Congress on 5 May. In the Congressional elections, the Revolutionary Party won 28 of the 54 seats. Voter turnout was 56.27% in the presidential election and 55.01% in the Congressional elections. Despite historical odds he faced, left-of-centre Méndez, a former law professor who held the rank of civilian, would be successfully be elected and sworn in as President of Guatemala, which had at this point been long led by military government since its independence in 1847.

## Results

### President

| Candidate | Candidate | Party | Popular vote | Popular vote | Congress vote | Congress vote |
| - | - | - | - | - | - | - |
| Candidate | Candidate | Party | Votes | % | Votes | % |
| | Julio César Méndez Montenegro | Revolutionary Party | 209,204 | 44.78 | 35 | 64.81 |
| | Juan de Dios Aguilar de León | Institutional Democratic Party | 148,025 | 31.68 | 19 | 35.19 |
| | Miguel Angel Ponciano | National Liberation Movement | 109,981 | 23.54 | | |
| Total | Total | Total | 467,210 | 100.00 | 54 | 100.00 |
| Valid votes | Valid votes | Valid votes | 467,210 | 87.94 | 54 | 100.00 |
| Invalid/blank votes | Invalid/blank votes | Invalid/blank votes | 64,060 | 12.06 | 0 | 0.00 |
| Total votes | Total votes | Total votes | 531,270 | 100.00 | 54 | 100.00 |
| Registered voters/turnout | Registered voters/turnout | Registered voters/turnout | 944,170 | 56.27 | 55 | 98.18 |
| Source: Nohlen, Dombrowski |||||||

### Congress

| Party | Party | Votes | % | Seats | +/– |
| - | - | - | - | - | - |
| | Revolutionary Party | 192,366 | 44.07 | 29 | +23 |
| | Institutional Democratic Party | 138,873 | 31.81 | 21 | New |
| | National Liberation Movement | 105,306 | 24.12 | 5 | +5 |
| Total | Total | 436,545 | 100.00 | 55 | –11 |
| Valid votes | Valid votes | 436,545 | 84.05 | | |
| Invalid/blank votes | Invalid/blank votes | 82,848 | 15.95 | | |
| Total votes | Total votes | 519,393 | 100.00 | | |
| Registered voters/turnout | Registered voters/turnout | 944,170 | 55.01 | | |
| Source: Nohlen ||||||
