| Official Name: | Dzau District |
| Native Name: | ჯავის მუნიციპალიტეტი Дзауы район |
| Settlement Type: | District in South Ossetia |
| Flag Size: | 120px |
| Coordinates: | 42.4567°N 43.8823°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Georgia |
| Subdivision Type1: | De facto state |
| Seat Type: | Capital |
| Seat: | Java |
| Leader Title: | Head of administration |
| Leader Name: | Vladimir Kelekhsaev |
| Leader Title2: | Votes in Parliament |
| Leader Name2: | (of 69) |
| Total Type: | Total |
| Area Total Km2: | 1448 |
| Population Total: | 10000 |
| Population Density Km2: | auto |
| Timezone1: | MSK |
| Utc Offset1: | +03:00 |
Dzau District[1] (Georgian: ჯავის მუნიციპალიტეტი, Javis municip’alit’et’i; Ossetian; Ossetic: Дзауы район, Dzawy rajon; Russian: Дзауский район, Dzauskij rajon) is a district in South Ossetia.
Roki Tunnel, Mamison Pass, Transcaucasian Highway, Ossetian Military Road and the lake Ertso are located in the district.
The largest town is Java; the second largest town is Kvaisa located in the western part of the district.
According to administrative division of Georgia, Dzau District is situated in the whole territory of Java Municipality, and part of Oni Municipality and Sachkhere Municipality of Georgia.