| Andelu | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Andelu (Yvelines).svg |
| Arrondissement: | Saint-Germain-en-Laye |
| Canton: | Aubergenville |
| Insee: | 78013 |
| Postal Code: | 78770 |
| Mayor: | Olivier Ravenel[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Gally Mauldre |
| Coordinates: | 48.881°N 1.825°W |
| Elevation M: | 119 |
| Elevation Min M: | 111 |
| Elevation Max M: | 133 |
| Area Km2: | 3.96 |
Andelu (pronounced as /fr/) is a commune in the Yvelines department in north-central France.