Arroio dos Ratos

{{Infobox settlement

| name = Arroio dos Ratos

| settlement_type = Municipality

| official_name = O Município de Arroio dos Ratos
The Municipality of Arroio dos Ratos

| motto =

| image_skyline =

| imagesize = 240px

| image_caption = From top to bottom, left to right: Pórtico de Entrada de Arroio dos Ratos, Monumento ao Mineiro and Museu Estadual do Carvão

| image_flag = Bandeiraa.png

| image_seal = Brasão.png

| image_map = Locator map of Arroio dos Ratos in Rio Grande do Sul.svg

| map_caption = Location within Rio Grande do Sul

| pushpin_map = Brazil

| pushpin_map_size = 250

| pushpin_map_caption = Location in Brazil

| subdivision_type = Country

| subdivision_name = {{flag|Brazil}}

| subdivision_type1 = State

| subdivision_name1 = Rio Grande do Sul

| subdivision_type2 = Mesoregion

| subdivision_name2 = Metropolitana de Porto Alegre

| subdivision_type3 = Microregion

| subdivision_name3 = Porto Alegre

| leader_title = Mayor

| leader_name = Luciano Leites Rocha

| leader_party = PSB

| established_title = Founded

| established_date = 28 December 1964

| area_footnotes =

| area_total_km2 = 425.210

| population_demonym = arroio-ratenses or ratenses

| population_as_of = 2020 [https://cidades.ibge.gov.br/brasil/rs/arroio-dos-ratos/panorama IBGE 2020]

| population_total = 14,177

| population_footnotes =

| population_density_km2 = auto

| timezone = BRT

| utc_offset = −3

| timezone_DST =

| utc_offset_DST =

| coordinates = {{coord|30|04|37|S|51|43|44|W|region:BR|display=inline,title}}

| elevation_footnotes =

| elevation_m = 69

| area_code = +55 51

| postal_code_type = Postal Code

| postal_code = 96740-000

| website = [http://www.arroiodosratos.rs.gov.br Arroio dos Ratos, Rio Grande do Sul]

| footnotes =

}}

Arroio dos Ratos is a municipality in the Brazilian state of Rio Grande do Sul. Thanks to its soil, is nationally known as the National Cradle of the Coal industry. The city is also known as the National Capital of the Watermelon.