| Sadarpur Union | |
| Native Name: | সদরপুর ইউনিয়ন |
| Native Name Lang: | bn |
| Settlement Type: | Union |
| Pushpin Map: | Bangladesh |
| Pushpin Map Alt: | Location in Bangladesh |
| Pushpin Label Position: | Right |
| Coordinates: | 23.9015°N 88.9139°W |
| Subdivision Type: | Country |
| Subdivision Name: | Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Name1: | Khulna |
| Subdivision Type2: | District |
| Subdivision Name2: | Kushtia |
| Subdivision Type3: | Upazila |
| Subdivision Name3: | Mirpur |
| Established Title: | Established |
| Unit Pref: | Metric |
| Area Total Km2: | 77.52 |
| Population As Of: | 2011 |
| Population Total: | 35,023 |
| Population Density Km2: | auto |
| Timezone1: | BST |
| Utc Offset1: | +6 |
| Official Name: | Sadarpur Union |
Sadarpur Union (Bengali: সদরপুর ইউনিয়ন) is a union parishad of Mirpur Upazila, in Kushtia District, Khulna Division of Bangladesh.[1] The union has an area of and as of 2001 had a population of 35,023.[2] There are 7 villages and 5 mouzas in the union.
In 2017 criminals destroyed part of a local orchard after cutting down over 100 banana trees, within the Kushtia district.[3]