Marnoo Victoria
Entering Marnoo
Marnoo
Coordinates	36°39′0″S 142°53′0″E / 36.65000°S 142.88333°E / -36.65000; 142.88333
Population	99 (2021 census)[1]
Postcode(s)	3387
Location	288 km (179 mi) NW of Melbourne 174 km (108 mi) NW of Ballarat 69 km (43 mi) E of Horsham 29 km (18 mi) W of St Arnaud
LGA(s)	Shire of Northern Grampians
State electorate(s)	Ripon
Federal division(s)	Mallee

Marnoo is a town in the Wimmera region of Victoria, Australia. Its postal code is 3387. At the 2021 census, Marnoo and the surrounding area had a population of 99.^[1]

• 
  General store in Marnoo
• 
  Marnoo War Memorial
• 
  Marnoo Presbyterian Church
• 
  Newall Street