| Jombang | |
| Pushpin Map: | Indonesia_Java#Indonesia |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 310 |
| Pushpin Map Caption: | Location in East Java and Indonesia |
| Subdivision Type: | Country |
| Subdivision Name: |  Indonesia |
| Subdivision Type1: | Province |
| Subdivision Name1: | East Java |
| Subdivision Type2: | Regency |
| Subdivision Name2: | Jombang Regency |
| Subdivision Type3: | District |
| Subdivision Name3: | Jombang District |
| Unit Pref: | Imperial |
| Area Total Km2: | 36.40 |
| Population As Of: | mid 2023 estimate |
| Population Footnotes: | [1] |
| Population Total: | 143301 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Indonesia Western Standard Time |
| Utc Offset: | +7 |
| Coordinates: | -7.5383°N 112.2381°W |
| Elevation M: | 42 |
Jombang is a city, district and the regency seat of Jombang Regency, East Java, Indonesia. It covers an area of 36.40 km2 and it had a population of 137,233 at the 2010 Census[2] and 139,831 at the 2020 Census,[3] while the official estimate as of mid 2023 was 143,301.[4]
Jombang has a tropical savanna climate (Aw) with moderate to little rainfall from May to October and heavy rainfall from November to April.