| Arcahaie Arrondissement | |
| Native Name: | Lakayè Awondisman |
| Native Name Lang: | ht |
| Settlement Type: | Arrondissement |
| Subdivision Type: | Country |
| Subdivision Type1: | Department |
| Subdivision Name1: | Ouest |
| Area Total Km2: | 611.09 |
| Area Urban Km2: | 14.75 |
| Area Rural Km2: | 596.34 |
| Population Total: | 198551 |
| Population As Of: | 2015 |
| Population Density Km2: | auto |
| Population Urban: | 139629 |
| Population Rural: | 58922 |
| Postal Code Type: | Postal code |
| Postal Code: | HT64 - |
| Utc Offset1: | -5 |
| Timezone1: | Eastern |
| Blank Name Sec1: | Communes |
| Blank Info Sec1: | 2 |
| Blank1 Name Sec1: | Communal Sections |
| Blank1 Info Sec1: | 10 |
| Blank Name Sec2: | IHSI Code |
| Blank Info Sec2: | 014 |
Arcahaie (Haitian; Haitian Creole: Lakayè) is an arrondissement in the Ouest of Haiti. As of 2015, the population was 198,551 inhabitants.[1] Postal codes in the Arcahaie Arrondissement start with the number 64.
The arondissement consists of the following communes: