| Type: | town |
| Diapur | |
| State: | vic |
| Use Lga Map: | yes |
| Coordinates: | -36.3167°N 141.4333°W |
| Postcode: | 3418 |
| Dist1: | 350 |
| Dir1: | NW |
| Location1: | Melbourne |
| Dist2: | 350 |
| Dir2: | SE |
| Location2: | Adelaide |
| Dist3: | 17 |
| Dir3: | w |
| Location3: | Nhill |
| Lga: | Shire of Hindmarsh |
| Stategov: | Lowan |
| Fedgov: | Mallee |
Diapur is a former locality in western Victoria, in Australia situated about 350 km northwest of Melbourne. Diapur is situated on the Melbourne-Adelaide railway line and is the halfway point of the journey.Diapur has an elevation of approximately 160m above sea level.
Diapur is now located within Nhill.
Diapur once had a G.J.Coles variety store.
The locality once had a football side, It won a premiership in 1910 and last competed in 1930 in the Lowan Star Football Association.