1940 Argentine legislative election
# 1940 Argentine legislative election

Legislative elections were held in Argentina on 3 March 1940. Voter turnout was 70%.

## Results

| Party | Party | Votes | % | Seats won | Total seats |
| - | - | - | - | - | - |
| | Radical Civic Union (UCR) | 876,991 | 47.62 | 52 | 78 |
| | Total Concordance | 725,757 | 39.41 | 25 | 74 |
| | National Democratic Party (PDN) | 453,869 | 24.65 | 17 | 49 |
| | Santa Fe Radical Civic Union (UCR-SF) | 122,007 | 6.63 | 3 | 8 |
| | Concordance - National Front | 68,948 | 3.74 | — | — |
| | Civic Concentration (CC) | 38,151 | 2.07 | 2 | 6 |
| | Antipersonalist Radical Civic Union (UCR-A) | 32,740 | 1.78 | 3 | 11 |
| | Independent Socialist Party (PSI) | 4,210 | 0.23 | — | — |
| | Unified Radical Civic Union | 3,769 | 0.20 | — | — |
| | Buenos Aires Province Radical Civic Union | 2,063 | 0.11 | — | — |
| | Socialist Party (PS) | 155,152 | 8.43 | 5 | 5 |
| | Labour Gathering Party (CO) | 30,312 | 1.65 | — | — |
| | Tucumán Radical Civic Union (UCR) | 23,888 | 1.30 | — | 1 |
| | Mendoza Radical Party | 8,810 | 0.48 | — | — |
| | Servants of the State Defenders | 5,884 | 0.32 | — | — |
| | Buenos Aires City Radical Party | 5,278 | 0.29 | — | — |
| | Socialist Workers' Party (PSO) | 4,647 | 0.25 | — | — |
| | Buenos Aires City Conservative Party | 3,253 | 0.18 | — | — |
| | Agrarian Party | 1,471 | 0.08 | — | — |
| | Others | 30 | 0.00 | — | — |
| Total | Total | 1,841,473 | 100 | 82 | 158 |
| Positive votes | Positive votes | 1,841,473 | 96.22 | | |
| Blank votes | Blank votes | 63,180 | 3.30 | | |
| Invalidvotes | Invalidvotes | 314 | 0.02 | | |
| Tally sheet differences | Tally sheet differences | 8,814 | 0.46 | | |
| Total votes | Total votes | 1,913,781 | 100 | | |
| Registered voters/turnout | Registered voters/turnout | 2,721,806 | 70.31 |
| Source: ||||||

### Results by province

| Province | UCR | UCR | UCR | Concordance | Concordance | Concordance | PS | PS | PS | Others | Others | Others |
| - | - | - | - | - | - | - | - | - | - | - | - | - |
| Province | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats |
| Buenos Aires | 272,592 | 54.62 | 15 | 211,250 | 42.33 | 7 | 15,248 | 3.06 | — | 18 | 0.00 | — |
| Buenos Aires City | 164,362 | 40.56 | 12 | 76,927 | 18.98 | — | 119,186 | 29.41 | 5 | 44,727 | 11.04 | — |
| Córdoba | 117,422 | 54.83 | 6 | 92,583 | 43.23 | 3 | 4,159 | 1.94 | — | — | — | — |
| Corrientes | — | — | — | 64,689 | 99.98 | 4 | — | — | — | 12 | 0.02 | — |
| Entre Ríos | 77,324 | 57.89 | 4 | 53,510 | 40.06 | 2 | 2,746 | 2.06 | — | — | — | — |
| Mendoza | 27,059 | 39.69 | 2 | 27,098 | 39.75 | 1 | 558 | 0.82 | — | 13,457 | 19.74 | — |
| San Luis | 9,534 | 38.97 | 1 | 14,934 | 61.03 | 2 | — | — | — | — | — | — |
| Santa Fe | 139,214 | 51.47 | 8 | 122,007 | 45.11 | 3 | 9,268 | 3.43 | — | — | — | — |
| Santiago del Estero | 29,551 | 42.89 | 1 | 38,151 | 55.37 | 2 | 1,195 | 1.73 | — | — | — | — |
| Tucumán | 39,933 | 43.08 | 3 | 24,608 | 26.55 | 1 | 2,792 | 3.01 | — | 25,359 | 27.36 | — |
| Total | 876,991 | 47.62 | 52 | 725,757 | 39.41 | 25 | 155,152 | 8.43 | 5 | 83,573 | 4.54 | 0 |
