Marrubiu

{{Infobox Italian comune

| name = Marrubiu

| official_name = Comune di Marrubiu

| native_name = Marrùbiu

| image_skyline = Marrubiu - Panorama (02).JPG

| imagesize =

| image_alt =

| image_caption = Marrubiu-Terralba-Arborea railway station

| image_shield =

| shield_alt =

| image_map =

| map_alt =

| map_caption =

| pushpin_map = Italy Sardinia

| coordinates = {{coord|39|45|N|8|38|E|type:city(5,034)_region:IT|display=inline,title}}

| coordinates_footnotes =

| region = Sardinia

| province = Oristano (OR)

| frazioni =

| mayor_party =

| mayor = Andrea Santucciu

| area_footnotes =

| area_total_km2 = 61.24

| population_footnotes = All demographics and other statistics: National Institute of Statistics (Italy) (Istat).

| population_total = 4816

| population_as_of = 30 September 2017

| pop_density_footnotes =

| population_demonym = Marrubiesi, Marrubiesus

| elevation_footnotes =

| elevation_m = 7

| saint =

| day =

| postal_code = 09094

| area_code = 0783

| website = {{official website|http://www.comune.marrubiu.or.it/}}

| footnotes =

}}

Marrubiu (Marrùbiu in the Sardinian language) is a comune (municipality) in the Province of Oristano in the Italian region Sardinia, located about {{convert|70|km|mi}} northwest of Cagliari and about {{convert|15|km|mi|0}} south of Oristano.

Marrubiu borders the following municipalities: Ales, Arborea, Morgongiori, Santa Giusta, Terralba, Uras.