| Subdivision Type: | Country |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Official Name: | Üllő |
| Subdivision Type1: | County |
| Subdivision Name1: | Pest |
| Area Total Km2: | 48.12 |
| Population Total: | 12185 |
| Population As Of: | 2018 |
| Population Density Km2: | 210.59 |
| Postal Code Type: | Postal code |
| Postal Code: | 2225 |
| Area Code: | 29 |
| Pushpin Map: | Hungary |
| Pushpin Map Caption: | Location of Üllő |
| Coordinates: | 47.3854°N 19.3439°W |
Üllő is a town in Pest county, Hungary. It is around 25km (16miles) south-east of the centre of Budapest.