| Administrative Arrondissement of Leuven | |
| Type: | Administrative Arrondissement |
| Coordinates: | 50.9°N 4.8°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Belgium |
| Subdivision Type1: | Region |
| Subdivision Type2: | Province |
| Parts Type: | Municipalities |
| Parts Style: | para |
| P1: | 30 |
| Unit Pref: | Metric |
| Area Total Km2: | 1168.83 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
The Leuven Arrondissement (;) is one of two arrondissements in the Belgian province of Flemish Brabant. It lies east of the Brussels-Capital Region. The arrondissement has an area of 1168.83km2 and has (as of January 1, 2017) 502,602 inhabitants.
Formerly independent municipalities or deelgemeenten: