Castelvenere

{{Infobox Italian comune

| name = Castelvenere

| official_name = Comune di Castelvenere

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| coordinates = {{coord|41|14|N|14|33|E|region:IT_type:city(2588)|display=inline,title}}

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| region = Campania

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| province = Benevento (BN)

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| frazioni = Marraioli, Parito

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| area_total_km2 = 15.2

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| elevation_m = 119

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| population_total = 2629

| population_as_of = 1 January 2020

| population_footnotes ={{cite web |url=http://demo.istat.it/pop2020/index3_e.html |title=Resident population |publisher=Istat |date=1 January 2020 |accessdate=16 March 2021 |archive-date=31 August 2021 |archive-url=https://web.archive.org/web/20210831200256/http://demo.istat.it/pop2020/index3_e.html |url-status=dead }}

| population_demonym = Castelveneresi

| postal_code = 82030

| area_code = 0824

| istat = 062019

| saint = Barbatus of Benevento{{cite web |url=http://en.comuni-italiani.it/062/019/index.html |title=Comune di Castelpoto |publisher=Comuni di Italia |accessdate=16 March 2021}}

| day = 19 February

| website = {{official website|http://www.comune.castelvenere.bn.it}}

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Castelvenere (Castelvenerese: {{lang|nap|R' Viennr}}) is a town and comune in the Province of Benevento, Campania Region, Italy. It is a member of the Titerno "Local Action Group."