Castellino Tanaro

{{Infobox Italian comune

| name = Castellino Tanaro

| official_name = Comune di Castellino Tanaro

| native_name = {{lang|pms|Castlin Tane}}

| image_skyline = Landscape-CastellinoTanaro.jpg

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| image_shield = Castellino_Tanaro-Coat_of_Arms.png

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| coordinates = {{coord|44|26|N|7|59|E|type:city(335)_region:IT|display=inline,title}}

| coordinates_footnotes =

| region = Piedmont

| province = Cuneo (CN)

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| mayor = Carla Merletti

| area_footnotes =

| area_total_km2 = 11.52

| population_footnotes = All demographics and other statistics: Italian statistical institute Istat.

| population_total = 293

| population_as_of = 30 November 2017

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| population_demonym = Castellinesi

| elevation_footnotes =

| elevation_m = 613

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| postal_code = 12060

| area_code = 0174

| website = {{official website|http://www.comune.castellinotanaro.cn.it/}}

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}}

Castellino Tanaro ({{langx|pms|Castlin Tane}}) is a comune (municipality) in the Province of Cuneo in the Italian region Piedmont, located about {{convert|70|km|mi}} southeast of Turin and about {{convert|35|km|mi}} east of Cuneo.

Castellino Tanaro borders the following municipalities: Ceva, Igliano, Lesegno, Marsaglia, Niella Tanaro, Roascio, and Rocca Cigliè.