| Native Name: | Bezirk Eisenstadt-Umgebung |
| Native Name Lang: | de |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Burgenland |
| Subdivision Type2: | Number of municipalities |
| Subdivision Name2: | 23 |
| Government Footnotes: | [1] [2] |
| Leader Title: | District Governor |
| Leader Name: | Birgit Wagner (since 2022) |
| Unit Pref: | Metric |
| Area Total Km2: | 453.14 |
| Population Footnotes: | [3] |
| Population Total: | 44787 |
| Population As Of: | 2024 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +01:00 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +02:00 |
| Area Code Type: | Telephone prefix |
| Blank Name Sec1: | NUTS code |
| Blank Info Sec1: | AT112[4] |
| Blank Name Sec2: | District code |
| Blank Info Sec2: | 103[5] |
The Bezirk Eisenstadt-Umgebung (Croatian: '''Kotar Željezno-okolica'''; Hungarian: Kismarton Járás) is an administrative district (Bezirk) in the federal state of Burgenland, Austria.
The area of the district is 455.5 km2, with a population of 44,787 (2024), and a population density of 99 persons per km2. The administrative center of the district is Eisenstadt (Croatian: Željezno), itself a statutory city outside of the district.
The district consists of the below municipalities and towns. The populations are as of 11 May 2024: