| Election Name: | 2018 Essonne's 1st constituency by-election |
| Country: | France |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2017 French legislative election |
| Previous Year: | 2017 |
| Election Date: | 18 November 2018 (first round) |
| Next Election: | French legislative election, 2022 |
| Next Year: | 2022 |
| Turnout: | 18.09% 22.02% (first round) 17.06% 19.49% (second round) |
| 1Blank: | % |
| 2Blank: | % |
| Nominee1: | Francis Chouat |
| Party1: | Miscellaneous left |
| 1Data1: | TBA 29.99% 4.54% |
| 2Data1: | 6,570 59.10% 8.81% |
| Nominee2: | Farida Amrani |
| Party2: | La France Insoumise |
| 1Data2: | TBA 17.82% 0.21% |
| 2Data2: | 4,546 40.90% 8.81% |
| Nominee3: | Grégory Saillol |
| Party3: | National Rally (France) |
| 1Data3: | TBA 13.72% 3.52% |
| 2Data3: | Eliminated |
| Nominee4: | Éva Sas |
| Party4: | Europe Ecology – The Greens |
| 1Data4: | TBA 10.53% 10.53% |
| 2Data4: | Eliminated |
| Nominee5: | Jean-François Bayle |
| Party5: | The Republicans (France) |
| 1Data5: | TBA 10.21% 1.72% |
| 2Data5: | Eliminated |
| Nominee6: | Michel Nouaille |
| Party6: | French Communist Party |
| 1Data6: | TBA 8.43% 0.85% |
| 2Data6: | Eliminated |
| Deputy | |
| Before Election: | Manuel Valls |
| Before Party: | Miscellaneous left |
| Posttitle: | Elected deputy |
| After Election: | Francis Chouat |
| After Party: | Miscellaneous left |
A by-election was held in Essonne's 1st constituency on 18 November 2018, with a second round on 25 November as no candidate secured a majority of votes in the first round. The by-election was prompted by the resignation of Manuel Valls to run for the mayoralty of Barcelona in the 2019 municipal elections.[1]
| Candidate | Label | First round | Second round | ||||
|---|---|---|---|---|---|---|---|
| Votes | % | Votes | % | ||||
| Manuel Valls | DVG | 25.45 | 50.30 | ||||
| Farida Amrani | LFI | 17.61 | 49.70 | ||||
| Caroline Varin | LR | 11.93 | |||||
| Danielle Oger | FN | 10.20 | |||||
| Alban Bakary | DVD | 7.83 | |||||
| Michel Nouaille | PCF | 7.58 | |||||
| Jean-Luc Raymond | DVD | 6.89 | |||||
| Dieudonné | DIV | 3.84 | |||||
| David Soullard | DLF | 2.40 | |||||
| Jacques Borie | DVG | 1.08 | |||||
| Sylvain Lacassagne | PP | 1.05 | |||||
| Jean Camonin | LO | 0.85 | |||||
| François Bouvard | UPR | 0.80 | |||||
| Saliou Diallo | DVG | 0.79 | |||||
| Gautier Albignac | DIV | 0.41 | |||||
| Éric Berlingen | 0.37 | ||||||
| Stéphane Legruel | NPA | 0.36 | |||||
| Mohamed Lemgharraz | DIV | 0.35 | |||||
| François Risacher | POID | 0.20 | |||||
| Nathalie Jolly | DVD | 0.01 | |||||
| Fadhel Mahbouli | ECO | 0.00 | |||||
| Jacqueline Sabattier | PCD | 0.00 | |||||
| Votes | 100.00 | 100.00 | |||||
| Valid votes | 96.81 | 89.82 | |||||
| Blank votes | 2.35 | 7.38 | |||||
| Null votes | 0.84 | 2.80 | |||||
| Turnout | 40.11 | 36.55 | |||||
| Abstentions | 59.89 | 63.45 | |||||
| Registered voters | |||||||
| Source: Ministry of the Interior * Incumbent deputy | |||||||
| Candidate | Party | First round | Second round | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Votes | % | +/– | Votes | % | +/– | ||||
| Francis Chouat | 29.99 | +4.54 | 59.10 | +8.81 | |||||
| Farida Amrani | LFI | 17.82 | +0.21 | 40.90 | –8.81 | ||||
| Grégory Saillol | RN | 13.72 | +3.52 | ||||||
| Éva Sas | EELV | 10.53 | +10.53 | ||||||
| Jean-François Bayle | LR | 10.21 | –1.72 | ||||||
| Michel Nouaille | PCF | 8.43 | +0.85 | ||||||
| Mikaël Matingou | DIV | 4.57 | +4.57 | ||||||
| Yavar Siyahkalroudi | UPR | 1.42 | +0.62 | ||||||
| Rémy Courtaux | DIV | 1.31 | +1.31 | ||||||
| Jean Camonin | LO | 1.23 | +0.38 | ||||||
| Michèle Fédérak | NPA | 0.78 | +0.42 | ||||||
| Votes | 100.00 | – | 100.00 | – | |||||
| Valid votes | 90.23 | +0.41 | |||||||
| Blank votes | 6.00 | –1.38 | |||||||
| Null votes | 3.77 | +0.97 | |||||||
| Turnout | 18.09 | –22.02 | 17.06 | –19.49 | |||||
| Abstentions | 81.91 | +22.02 | 82.94 | +19.49 | |||||
| Registered voters | |||||||||
| Source: Préfecture de l'Essonne | |||||||||