Marnoo, Victoria

{{Use Australian English|date=August 2019}}

{{Use dmy dates|date=July 2019}}

{{Infobox Australian place

| type = town

| name = Marnoo

| state = vic

| image = Marnoo Town Entry Sign.JPG

| caption = Entering Marnoo

| lga = Shire of Northern Grampians

| postcode = 3387

| est =

| pop = 99

| pop_year = {{CensusAU|2021}}

| pop_footnotes=

| use_lga_map = yes

| coordinates = {{coord|36|39|0|S|142|53|0|E|display=inline,title}}

| pushpin_label_position =

| elevation=

| maxtemp =

| mintemp =

| rainfall =

| stategov = Ripon

| fedgov = Mallee

| dist1 = 288

| dir1 = NW

| location1= Melbourne

| dist2 = 174

| dir2 = NW

| location2= Ballarat

| dist3 = 69

| dir3 = E

| location3= Horsham

| dist4 = 29

| dir4 = W

| location4= St Arnaud

}}

Marnoo is a town in the Wimmera region of Victoria, Australia. Its postal code is 3387. At the {{CensusAU|2021}}, Marnoo and the surrounding area had a population of 99.{{cite web |title=2021 Census QuickStats Marnoo |url=https://www.abs.gov.au/census/find-census-data/quickstats/2021/SAL21609 |website=Australian Bureau of Statistics |accessdate=14 November 2022}}