| Country: | Argentina |
| Previous Election: | 1940 |
| Next Election: | 1946 |
| Election Date: | 1 March 1942 |
| Election Name: | 1942 Argentine legislative election |
| Seats For Election: | 85 of 158 seats in the National Congress |
| Ongoing: | no |
| Turnout: | 66.80% |
| Noleader: | yes |
| Party1: | Concordance |
| Colour1: |
|
| Percentage1: | 53.84% |
| Seats1: | 47 |
| Last Election1: | 23 |
| Party2: | Radical Civic Union |
| Colour2: |
|
| Percentage2: | 25.41% |
| Seats2: | 23 |
| Last Election2: | 52 |
| Party3: | Socialist Party |
| Colour3: |
|
| Percentage3: | 9.66% |
| Seats3: | 12 |
| Last Election3: | 5 |
| Party4: | Tucumán Radical Civic Union |
| Colour4: |
|
| Percentage4: | 1.36% |
| Seats4: | 1 |
| Last Election4: | 0 |
| Party5: | Blockist Radical Civic Union |
| Colour5: |
|
| Percentage5: | 0.45% |
| Seats5: | 1 |
| Last Election5: | 0 |
| Party6: | Salta Radical Civic Union |
| Colour6: |
|
| Percentage6: | 0.31% |
| Seats6: | 1 |
| Last Election6: | 0 |
| Map: | Elecciones legislativas de Argentina de 1942 - Resultados por distrito.svg |
| Map Upright: | 2 |
Legislative elections were held in Argentina on 1 March 1942. Voter turnout was 67%.
| Party | Votes | % | Seats won | Total seats | ||
|---|---|---|---|---|---|---|
| bgcolor=#bfd0da rowspan=6 | Total Concordance | 1,051,848 | 53.84 | 47 | 69 | |
| National Democratic Party (PDN) | 655,118 | 33.53 | 29 | 52 | ||
| Concordance | 192,844 | 9.87 | 8 | — | ||
| Santa Fe Radical Civic Union (UCR-SF) | 151,450 | 7.75 | 8 | 11 | ||
| Antipersonalist Radical Civic Union (UCR-A) | 36,336 | 1.86 | 1 | 5 | ||
| Agrarian Party - Autonomist Party of Corrientes | 16,100 | 0.82 | 1 | 1 | ||
| Radical Civic Union (UCR) | 496,415 | 25.41 | 23 | 67 | ||
| Socialist Party (PS) | 188,782 | 9.66 | 12 | 17 | ||
| Democratic Progressive Party (PDP) | 49,198 | 2.52 | — | — | ||
| Labour Gathering Party (CO) | 32,126 | 1.64 | — | — | ||
| Tucumán Radical Civic Union (UCR) | 26,612 | 1.36 | 1 | 1 | ||
| bgcolor=lightgrey | Taxpayers Union | 19,922 | 1.02 | — | — | |
| bgcolor=grey | Provincial Defence–White Flag (DP-BB) | 13,229 | 0.68 | — | — | |
| Unified Radical Civic Union (UCR-U) | 13,100 | 0.67 | — | 2 | ||
| Radical Civic Union - Popular Agrarian Front | 12,955 | 0.66 | — | — | ||
| Blockist Radical Civic Union (UCR-B) | 8,864 | 0.45 | 1 | 1 | ||
| Socialist Workers' Party (PSO) | 7,717 | 0.39 | — | — | ||
| Radical Party | 6,234 | 0.32 | — | — | ||
| Salta Radical Civic Union | 6,004 | 0.31 | 1 | 1 | ||
| Public Health Party | 5,523 | 0.28 | — | — | ||
| bgcolor=lightgrey | Popular Civic Party | 5,436 | 0.28 | — | — | |
| bgcolor=lightgrey | Democratic Front | 3,414 | 0.17 | — | — | |
| Conservative Party | 3,016 | 0.15 | — | — | ||
| bgcolor=lightgrey | Neighborhood Union | 2,364 | 0.12 | — | — | |
| bgcolor=lightgrey | Republican Union | 713 | 0.04 | — | — | |
| Others | 330 | 0.02 | — | — | ||
| Total | 1,953,802 | 100 | 85 | 158 | ||
| bgcolor=#333333 colspan=4 | ||||||
| Positive votes | 1,953,802 | 95.61 | ||||
| Invalid/blank votes | 87,765 | 4.29 | ||||
| Tally sheet differences | 1,893 | 0.09 | ||||
| Total votes | 2,043,460 | 100 | ||||
| Registered voters/turnout | 3,058,946 | 66.80 | ||||
| Sources:[1] [2] [3] | ||||||
| Province | Concordance | UCR | PS | Others | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | |||||
| scope=row | Buenos Aires | bgcolor=lightblue | 349,794 | bgcolor=lightblue | 77.50 | align=center bgcolor=lightblue | 16 | 82,165 | 18.20 | 7 | 19,402 | 4.30 | — | — | — | — |
| scope=row | Buenos Aires City | 91,055 | 21.23 | — | 124,326 | 28.99 | 6 | bgcolor=coral | 141,968 | bgcolor=coral | 33.10 | align=center bgcolor=coral | 12 | 71,499 | 16.67 | — |
| scope=row | Catamarca | bgcolor=lightblue | 17,157 | bgcolor=lightblue | 100 | align=center bgcolor=lightblue | 2 | — | — | — | — | — | — | — | — | — |
| scope=row | Córdoba | 86,847 | 42.95 | 2 | bgcolor=pink | 108,119 | bgcolor=pink | 53.47 | align=center bgcolor=pink | 4 | 7,221 | 3.57 | — | — | — | — |
| scope=row | Corrientes | bgcolor=lightblue | 69,493 | bgcolor=lightblue | 92.32 | align=center bgcolor=lightblue | 3 | — | — | — | — | — | — | 5,778 | 7.68 | — |
| scope=row | Entre Ríos | bgcolor=lightblue | 76,221 | bgcolor=lightblue | 54.88 | align=center bgcolor=lightblue | 2 | 58,562 | 42.16 | 1 | 3,978 | 2.86 | — | 128 | 0.09 | — |
| scope=row | Jujuy | bgcolor=lightblue | 12,810 | bgcolor=lightblue | 69.92 | align=center bgcolor=lightblue | 2 | 5,511 | 30.08 | — | — | — | — | — | — | — |
| scope=row | La Rioja | bgcolor=lightblue | 12,664 | bgcolor=lightblue | 96.57 | align=center bgcolor=lightblue | 2 | 450 | 3.43 | — | — | — | — | — | — | — |
| scope=row | Mendoza | bgcolor=lightblue | 53,586 | bgcolor=lightblue | 77.37 | align=center bgcolor=lightblue | 2 | 10,983 | 15.86 | 1 | 938 | 1.35 | — | 3,752 | 5.42 | — |
| scope=row | Salta | bgcolor=lightblue | 27,957 | bgcolor=lightblue | 77.08 | align=center bgcolor=lightblue | 2 | 2,309 | 6.37 | — | — | — | — | 6,004 | 16.55 | 1 |
| scope=row | San Juan | bgcolor=lightblue | 23,846 | bgcolor=lightblue | 64.33 | align=center bgcolor=lightblue | 2 | 2,391 | 6.45 | — | 1,966 | 5.30 | — | 8,864 | 23.91 | 1 |
| scope=row | Santa Fe | bgcolor=lightblue | 151,450 | bgcolor=lightblue | 53.57 | align=center bgcolor=lightblue | 8 | 75,266 | 26.62 | 3 | 6,587 | 2.33 | — | 49,400 | 17.47 | — |
| scope=row | Santiago del Estero | bgcolor=lightblue | 48,122 | bgcolor=lightblue | 63.82 | align=center bgcolor=lightblue | 2 | 14,181 | 18.81 | 1 | — | — | — | 13,100 | 17.37 | — |
| scope=row | Tucumán | bgcolor=lightblue | 30,846 | bgcolor=lightblue | 28.57 | align=center bgcolor=lightblue | 2 | 12,152 | 11.26 | — | 6,722 | 6.23 | — | 58,232 | 53.94 | 1 |
| Total | 1,051,848 | 53.84 | 47 | 496,415 | 25.41 | 23 | 188,782 | 9.66 | 12 | 216,757 | 11.09 | 3 | ||||