| Khánh Sơn district | |
| Settlement Type: | District |
| Native Name: | Huyện Khánh Sơn |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | South Central Coast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Khánh Hòa |
| Seat Type: | Capital |
| Seat: | Tô Hạp |
| Unit Pref: | Imperial |
| Area Total Km2: | 337 |
| Population As Of: | 2003 |
| Population Total: | 18,368 |
| Timezone: | Indochina Time |
| Utc Offset: | +7 |
Khánh Sơn is a rural district (huyện) of Khánh Hòa province in the South Central Coast region of Vietnam. As of 2003 the district had a population of 18,368.[1] The district covers an area of 337 km². The district capital lies at Tô Hạp.[1]