Casteldelfino

{{Infobox Italian comune

| name = Casteldelfino

| official_name = Comune di Casteldelfino

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| image_skyline = Casteldelfino.jpg

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| coordinates = {{coord|44|35|N|7|4|E|type:city(208)_region:IT|display=inline}}

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| region = Piedmont

| province = Cuneo (CN)

| frazioni = Torrette, Bertines, Serre, Alboin, Pusterle, Rabioux

| mayor_party =

| mayor = Alberto Anello

| area_footnotes =

| area_total_km2 = 33.95

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

| population_total = 158

| population_as_of = 1-1-2017

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| population_demonym = Casteldelfinese(i)

| elevation_footnotes =

| elevation_m = 1296

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| postal_code = 12020

| area_code = 0175

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

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Casteldelfino is a comune (municipality) in the Province of Cuneo in the Italian region Piedmont, located about {{convert|70|km|mi}} southwest of Turin and about {{convert|45|km|mi}} northwest of Cuneo.

Casteldelfino borders the following municipalities: Bellino, Elva, Oncino, Pontechianale, and Sampeyre. It is located in the upper Varaita Valley.