| Hasharon Subdistrict | |
| Native Name: | נפת השרון قضاء هشارون |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Israel |
| Subdivision Type1: | District |
| Subdivision Name1: | Central District |
| Area Total Km2: | 348 |
| Population Total: | 460500 |
| Population As Of: | 2016 |
| Population Footnotes: | [1] |
| Demographics Type1: | Ethnicity |
| Demographics1 Title1: | Jews and others |
| Demographics1 Info1: | 79.2% |
| Demographics1 Title2: | Arabs |
| Demographics1 Info2: | 20.8% |
| Type: | Subdistrict |
The HaSharon Subdistrict is one of Israel's subdistricts in Central District. The subdistrict is composed of most of Mandatory Tulkarm Subdistrict that was occupied by the newly established state of Israel in 1949. The rest of Mandatory Tulkarm Subdistrict to the East of the Green Line constitutes modern Tulkarm Governorate.
The Principal city of this subdistrict is Netanya.