| Arroyo de San Serván | |
| Translit Lang1 Type: | Spanish |
| Translit Lang1 Info: | Arroyo de San Serván |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Extremadura |
| Pushpin Map Caption: | Location of Arroyo de San Serván within Extremadura |
| Coordinates: | 38.8531°N -6.4553°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Autonomous Community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Badajoz |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Tierra de Mérida - Vegas Bajas |
| Leader Party: | PSOE |
| Leader Title: | Mayor |
| Leader Name: | Juan Moreno Barroso |
| Area Total Km2: | 50.1 |
| Elevation Footnotes: | (AMSL) |
| Elevation M: | 224 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST (GMT +2) |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 06850 |
| Area Code: | +34 (Spain) + 924 (Badajoz) |
| Website: | Town Hall |
Arroyo de San Serván is a municipality located in the province of Badajoz, Extremadura, Spain. According to the 2012 census (INE), the municipality has a population of 4267 inhabitants. The town's first census was held in 1842, as part of Badajoz.