| Longueil-Annel | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr oise longueil annel.svg |
| Arrondissement: | Compiègne |
| Canton: | Thourotte |
| Insee: | 60368 |
| Postal Code: | 60150 |
| Mayor: | Daniel Beurdeley[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Deux Vallées |
| Coordinates: | 49.4706°N 2.8625°W |
| Elevation Min M: | 33 |
| Elevation Max M: | 145 |
| Area Km2: | 5.94 |
Longueil-Annel (in French pronounced as /lɔ̃ɡœj anɛl/) is a commune in the Oise department in northern France.