| Lacroix-Saint-Ouen | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason La Croix-Saint-Ouen.svg |
| Arrondissement: | Compiègne |
| Canton: | Compiègne-2 |
| Insee: | 60338 |
| Postal Code: | 60610 |
| Mayor: | Jean Desessart[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Région de Compiègne et Basse Automne |
| Coordinates: | 49.3544°N 2.7861°W |
| Elevation Min M: | 30 |
| Elevation Max M: | 54 |
| Area Km2: | 20.83 |
Lacroix-Saint-Ouen (in French pronounced as /lakʁwa sɛ̃.t‿wɛ̃/) is a commune in the Oise department in northern France.
It lies 75 km north of Paris.
The inhabitants are called the Croisés-Saintodoniens in French.