The 1st constituency of the Pyrénées-Atlantique is a French legislative constituency in the Pyrénées-Atlantiques département. Like the other 576 French constituencies, it elects one MP using the two-round system, with a run-off if no candidate receives over 50% of the vote in the first round.

Assembly members

Election Member Party 1988 René Cazenave PS 1993 Jean Gougy RPR 1997 Martine Lignières-Cassou PS200220072012 2017 Josy Poueyto MoDem2022

Election results 2024 CandidatePartyAllianceFirst roundSecond roundVotes%Votes%François VerrièreRN15,45533.31Josy PoueytoMoDEMEnsembleJean-Yves LalanneIndDVGJean SanromanLFINFPSandrine LafargueLR8.92Jérémy ZenIndEcoAgnès HegoburuLOValid votes97.6494.00Blank votes1.654.31Null votes0.711.68Turnout71.1471.06Abstentions28.8628.94Registered votersSource: Result MoDEM HOLD 2022

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2017

|- style="background-color:#E9E9E9;text-align:center;" ! colspan="2" rowspan="2" style="text-align:left;" | Candidate ! rowspan="2" colspan="2" style="text-align:left;" | Party ! colspan="2" | 1st round ! colspan="2" | 2nd round |- style="background-color:#E9E9E9;text-align:center;" ! width="75" | Votes ! width="30" | % ! width="75" | Votes ! width="30" | % |- | style="background-color:" | | style="text-align:left;" | Josy Poueyto | style="text-align:left;" | Democratic Movement | MoDem | | 39.87 | | 62.72 |- | style="background-color:" | | style="text-align:left;" | Pauline Roy | style="text-align:left;" | The Republicans | LR | | 14.88 | | 37.28 |- | style="background-color:" | | style="text-align:left;" | Jérôme Marbot | style="text-align:left;" | Socialist Party | PS | | 12.51 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Séverine Ghedjati | style="text-align:left;" | La France Insoumise | FI | | 12.44 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Claudie Cheyroux | style="text-align:left;" | National Front | FN | | 8.90 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Olivier Dartigolles | style="text-align:left;" | Communist Party | PCF | | 4.62 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Thérèse De Boissezon | style="text-align:left;" | Regionalist | REG | | 2.12 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Frédéric Pic | style="text-align:left;" | Miscellaneous Left | DVG | | 1.56 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Philippe Krompholtz | style="text-align:left;" | Debout la France | DLF | | 1.19 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Agnès Hegoburu | style="text-align:left;" | Far Left | EXG | | 0.80 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Elisabeth Meitner | style="text-align:left;" | Independent | DIV | | 0.74 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Djémory Diabaté | style="text-align:left;" | Miscellaneous Left | DVG | | 0.37 | colspan="2" style="text-align:left;" | |- | colspan="8" style="background-color:#E9E9E9;"| |- style="font-weight:bold" | colspan="4" style="text-align:left;" | Total | | 100% | | 100% |- | colspan="8" style="background-color:#E9E9E9;"| |- | colspan="4" style="text-align:left;" | Registered voters | | style="background-color:#E9E9E9;"| | | style="background-color:#E9E9E9;"| |- | colspan="4" style="text-align:left;" | Blank/Void ballots | | 1.46% | | 17.90% |- | colspan="4" style="text-align:left;" | Turnout | | 52.89% | | 43.57% |- | colspan="4" style="text-align:left;" | Abstentions | | 47.11% | | 56.43% |- | colspan="8" style="background-color:#E9E9E9;"| |- style="font-weight:bold" | colspan="6" style="text-align:left;" | Result | colspan="2" style="background-color:" | MoDEM GAIN FROM PS

2012

|- style="background-color:#E9E9E9;text-align:center;" ! colspan="2" rowspan="2" style="text-align:left;" | Candidate ! rowspan="2" colspan="2" style="text-align:left;" | Party ! colspan="2" | 1st round ! colspan="2" | 2nd round |- style="background-color:#E9E9E9;text-align:center;" ! width="75" | Votes ! width="30" | % ! width="75" | Votes ! width="30" | % |- | style="background-color:" | | style="text-align:left;" | Martine Lignieres Cassou | style="text-align:left;" | Socialist Party | PS | | 37.61 | | 57.64 |- | style="background-color:" | | style="text-align:left;" | Nicholas Patriarche | style="text-align:left;" | Union for a Popular Movement | UMP | | 23.27 | | 42.36 |- | style="background-color:" | | style="text-align:left;" | Philippe Boell | style="text-align:left;" | National Front | FN | | 10.25 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Olivier Dartigolles | style="text-align:left;" | Left Front | FG | | 8.83 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Philippe Arraou | style="text-align:left;" | Centrist | CEN | | 7.61 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Danièle Iriart | style="text-align:left;" | The Greens | LV | | 5.02 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Thibault Cheneviere | style="text-align:left;" | Radical Party | PRV | | 2.11 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Mehdi Jabrane | style="text-align:left;" | Other | AUT | | 1.31 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Eric Schatz | style="text-align:left;" | Far Left | EXG | | 0.88 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Margua Ruland | style="text-align:left;" | Ecologist | ECO | | 0.84 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Julien Prat | style="text-align:left;" | Other | AUT | | 0.75 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Michèle Martin | style="text-align:left;" | Far Left | EXG | | 0.59 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | David Vitini | style="text-align:left;" | Miscellaneous Right | DVD | | 0.47 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Jean Pichai | style="text-align:left;" | Centrist | CEN | | 0.46 | colspan="2" style="text-align:left;" | |- | colspan="8" style="background-color:#E9E9E9;"| |- style="font-weight:bold" | colspan="4" style="text-align:left;" | Total | | 100% | | 100% |- | colspan="8" style="background-color:#E9E9E9;"| |- | colspan="4" style="text-align:left;" | Registered voters | | style="background-color:#E9E9E9;"| | | style="background-color:#E9E9E9;"| |- | colspan="4" style="text-align:left;" | Blank/Void ballots | | 2.33% | | 5.95% |- | colspan="4" style="text-align:left;" | Turnout | | 58.13% | | 55.90% |- | colspan="4" style="text-align:left;" | Abstentions | | 41.87% | | 44.10% |- | colspan="8" style="background-color:#E9E9E9;"| |- style="font-weight:bold" | colspan="6" style="text-align:left;" | Result | colspan="2" style="background-color:" | PS HOLD

2007

|- style="background-color:#E9E9E9;text-align:center;" ! colspan="2" rowspan="2" style="text-align:left;" | Candidate ! rowspan="2" colspan="2" style="text-align:left;" | Party ! colspan="2" | 1st round ! colspan="2" | 2nd round |- style="background-color:#E9E9E9;text-align:center;" ! width="75" | Votes ! width="30" | % ! width="75" | Votes ! width="30" | % |- | style="background-color:" | | style="text-align:left;" | Martine Lignieres Cassou | style="text-align:left;" | Socialist Party | PS | | 36.01 | | 55.52 |- | style="background-color:" | | style="text-align:left;" | Bernard Layre | style="text-align:left;" | Union for a Popular Movement | UMP | | 34.27 | | 44.48 |- | style="background-color:" | | style="text-align:left;" | Philippe Arraou | style="text-align:left;" | UDF-Democratic Movement | UDF-MoDem | | 16.00 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Bernard Laclau-Lacrouts | style="text-align:left;" | The Greens | LV | | 3.05 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Jacques Henriot | style="text-align:left;" | National Front | FN | | 2.79 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Danielle Raucoules | style="text-align:left;" | Communist Party | PCF | | 2.05 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Alain Garcia | style="text-align:left;" | Far Left | EXG | | 1.85 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Sylvia Benoist-Heurtebize | style="text-align:left;" | Movement for France | MPF | | 1.18 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Frédéric Pic | style="text-align:left;" | Far Left | EXG | | 0.90 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Michèle Boucau | style="text-align:left;" | Hunting, Fishing, Nature and Traditions | CPNT | | 0.84 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Dominique Mialocq | style="text-align:left;" | Independent | DIV | | 0.68 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Antoine Missier | style="text-align:left;" | Far Left | EXG | | 0.39 | colspan="2" style="text-align:left;" | |- | colspan="8" style="background-color:#E9E9E9;"| |- style="font-weight:bold" | colspan="4" style="text-align:left;" | Total | | 100% | | 100% |- | colspan="8" style="background-color:#E9E9E9;"| |- | colspan="4" style="text-align:left;" | Registered voters | | style="background-color:#E9E9E9;"| | | style="background-color:#E9E9E9;"| |- | colspan="4" style="text-align:left;" | Blank/Void ballots | | 1.48% | | 3.23% |- | colspan="4" style="text-align:left;" | Turnout | | 63.74% | | 64.62% |- | colspan="4" style="text-align:left;" | Abstentions | | 36.26% | | 35.38% |- | colspan="8" style="background-color:#E9E9E9;"| |- style="font-weight:bold" | colspan="6" style="text-align:left;" | Result | colspan="2" style="background-color:" | PS HOLD

2002

|- style="background-color:#E9E9E9;text-align:center;" ! colspan="2" rowspan="2" style="text-align:left;" | Candidate ! rowspan="2" colspan="2" style="text-align:left;" | Party ! colspan="2" | 1st round ! colspan="2" | 2nd round |- style="background-color:#E9E9E9;text-align:center;" ! width="75" | Votes ! width="30" | % ! width="75" | Votes ! width="30" | % |- | style="background-color:" | | style="text-align:left;" | Martine Lignieres Cassou | style="text-align:left;" | Socialist Party | PS | | 38.42 | | 53.10 |- | style="background-color:" | | style="text-align:left;" | Jean Gougy | style="text-align:left;" | Union for a Presidential Majority | UMP | | 28.31 | | 46.90 |- | style="background-color:" | | style="text-align:left;" | Jean Arriau | style="text-align:left;" | Miscellaneous Right | DVD | | 11.76 | colspan="2" style="text-align:left;" | |- | style="background-color:" | | style="text-align:left;" | Jacques Henriot | style="text-align:left;" | National Front | FN | | 7.79 | colspan="2" style="text-align:left;" | |- | style="background-color:" |