| Subdivision Type: | Country |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Official Name: | Alsóújlak |
| Mapsize: | 275px |
| Subdivision Type1: | County |
| Subdivision Name1: | Vas |
| Area Footnotes: | [1] |
| Area Total Km2: | 21.02 |
| Population Footnotes: | [2] |
| Population Total: | 537 |
| Population As Of: | 2022 |
| Population Density Km2: | auto |
| Government Footnotes: | [3] |
| Leader Name: | Kántorné Varga Mónika |
| Leader Title: | Mayor |
| Leader Party: | Independent |
| Postal Code Type: | Postal code |
| Postal Code: | 9842 |
| Area Code: | 94 |
| Pushpin Map: | Hungary |
| Pushpin Map Caption: | Location of Alsóújlak |
| Pushpin Mapsize: | 275px |
| Coordinates: | 47.0823°N 16.8527°W |
Alsóújlak is a village in Vas County, Hungary.