Gaià

{{For|the river|Gaià River}}

{{Infobox settlement

| name = Gaià

| settlement_type = Municipality

| image_skyline = Gaia_Bages.jpg

| image_alt =

| image_caption = Gaià town hall

| image_flag = Bandera de Gaià.svg

| flag_alt =

| image_seal =

| seal_alt =

| image_shield = Escut de Gaià.svg

| shield_alt =

| nickname =

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| image_map =

| map_alt =

| map_caption =

| pushpin_map = Spain Province of Barcelona#Spain

| pushpin_label_position =

| pushpin_map_alt =

| pushpin_map_caption = Location in Catalonia

| coordinates = {{coord|41.916|1.926|display=inline,title}}

| coor_pinpoint =

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| subdivision_type = Country

| subdivision_name =

| subdivision_type1 = Community

| subdivision_name1 =

| subdivision_type2 = Province

| subdivision_name2 = Barcelona

| subdivision_type3 = Comarca

| subdivision_name3 = Bages

| established_title =

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| founder =

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| government_footnotes =

| leader_party =

| leader_title = Mayor

| leader_name = Enric Armengou Vall de la Vilaramó (2015){{cite web|url=http://aplicacions.municat.gencat.cat/index.php?page=consulta&mostraEns=0809020002|title=Ajuntament de Gaià|publisher=Generalitat of Catalonia|access-date=2015-11-13}}

| unit_pref = Metric

| area_footnotes = {{cite web|url=http://www.idescat.cat/emex/?lang=en&id=080902|title=El municipi en xifres: Gaià|publisher=Statistical Institute of Catalonia|access-date=2015-11-23}}

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| area_total_km2 = 39.5

| area_land_km2 =

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| population_as_of = {{Spain metadata Wikidata|population_as_of}}

| population_footnotes = {{Spain metadata Wikidata|population_footnotes}}

| population_total = {{Spain metadata Wikidata|population_total}}

| population_density_km2 = auto

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| website = {{URL|gaia.cat}}

| footnotes =

}}

Gaià ({{IPA|ca|gəˈja}}) is a municipality in the province of Barcelona and autonomous community of Catalonia, Spain. The municipality covers an area of {{convert|39.6|km2}} and the population in 2014 was 163.