| Cẩm Mỹ district | |
| Settlement Type: | District |
| Native Name: | Huyện Cẩm Mỹ |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southeast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Đồng Nai |
| Seat Type: | Capital |
| Seat: | Long Giao |
| Unit Pref: | Imperial |
| Population As Of: | 2019 |
| Population Total: | 158,010 |
| Timezone: | Indochina Time |
| Utc Offset: | +7 |
Cẩm Mỹ is a rural district of Đồng Nai province in the Southeast region of Vietnam. As of 2003 the district had a population of 148,823.[1] The district covers an area of 468 km². The district capital lies at Long Giao.[1]