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
Victoria
Diapur is located in Shire of Hindmarsh
Diapur
Diapur
Coordinates36°19′0″S 141°26′0″E / 36.31667°S 141.43333°E / -36.31667; 141.43333
Postcode(s)3418
Location
LGA(s)Shire of Hindmarsh
State electorate(s)Lowan
Federal division(s)Mallee

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.