| Sumber | |
| Settlement Type: | District |
| Translit Lang1: | Regional |
| Translit Lang1 Type1: | Sundanese |
| Translit Lang1 Type2: | Javanese |
| Pushpin Map: | Indonesia_Java#Indonesia |
| Pushpin Map Caption: | Location in Java and Indonesia |
| Pushpin Label Position: | right |
| Coordinates: | -6.7544°N 108.4858°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Indonesiaīīū |
| Subdivision Type1: | Province |
| Subdivision Name1: | West Java |
| Subdivision Type2: | Regency |
| Subdivision Name2: | Cirebon Regency |
| Leader Title: | Camat |
| Leader Name: | Iman Santoso |
| Leader Title1: | Secretary |
| Leader Name1: | Carmin |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Km2: | 25.65 |
| Elevation M: | 66 |
| Population Total: | 102973 |
| Population As Of: | mid 2023 estimate |
| Population Footnotes: | [2] |
| Population Density Km2: | auto |
| Timezone: | IWT |
| Utc Offset: | +7 |
| Postal Code Type: | Postal code |
| Postal Code: | 4561x |
| Area Code Type: | Area code |
| Area Code: | (+62) 231 |
| Blank Name: | Villages |
| Blank Info: | 14 |
Sumber (Sundanese: ᮞᮥᮙ᮪ᮘᮨᮁ; Javanese: ꦯꦸꦩ꧀ꦧꦺꦂ) is a district which serves as the regency seat of the Cirebon Regency of West Java, Indonesia. It is divided into 14 villages which are listed as follows (with their populations as at mid 2022):[3]
The first 12 of these 14 are classed as urban kelurahan (Babakan occupying 1.38 km2, Sumber 2.50 km2, Perbutulan 0.53 km2, Kaliwadas 1.76 km2, Pasalakan 1.62 km2, Watubelah 1.93 km2, Pejambon 1.44 km2, Gegunung 1.72 km2, Kemantren 0.75 km2, Sendang 0.74 km2, Tukmudal 2.30 km2 and Kenanga 1.86 km2), while the remaining 2 are classed as rural desa and are situated in the south of the district (Matangaji with an area of 2.48 km2 and Sidawangi 4.64 km2).
Sumber has a tropical monsoon climate (Am) with moderate to little rainfall from June to October and heavy to very heavy rainfall from November to May.