| Lay-Lamidou | |
| Commune Status: | Commune |
| Arrondissement: | Oloron-Sainte-Marie |
| Canton: | Le Cœur de Béarn |
| Insee: | 64326 |
| Postal Code: | 64190 |
| Mayor: | Joël Sartolou[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Béarn des Gaves |
| Coordinates: | 43.2925°N -0.7194°W |
| Elevation M: | 175 |
| Elevation Min M: | 146 |
| Elevation Max M: | 266 |
| Area Km2: | 5.47 |
Lay-Lamidou (in French pronounced as /laj lamidu/; Occitan (post 1500);: Lai e Lamidon) is a commune in the Pyrénées-Atlantiques department in south-western France.