Sant'Arpino

{{Use dmy dates|date=March 2025}}

{{Infobox Italian comune

| name = Sant'Arpino

| official_name = Comune di Sant'Arpino

| native_name =

| image_skyline = Palazzo Sanchez Sant'Arpino - Atrio 1.JPG

| imagesize =

| image_alt =

| image_caption = Palazzo Sanchez Sant'Arpino

| image_shield =

| shield_alt =

| image_map =

| map_alt =

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| pushpin_label_position =

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| coordinates = {{coord|40|57|27|N|14|14|57|E|type:city(13,774)_region:IT|display=inline,title}}

| coordinates_footnotes =

| region = Campania

| province = Caserta (CE)

| frazioni =

| mayor_party =

| mayor = Ernesto di Mattia (since 04-10-2021)

| area_footnotes =

| area_total_km2 = 3.2

| population_footnotes =

| population_total = 14281

| population_as_of = 31 August 2015

| pop_density_footnotes =

| population_demonym = Santarpinesi

| elevation_footnotes =

| elevation_m = 43

| twin1 =

| twin1_country =

| saint = Sant'Elpidio

| day = 24 May

| postal_code = 81030

| area_code = 081

| website = {{Official website|http://www.comune.santarpino.ce.it}}

| footnotes =

}}

Sant'Arpino is a comune (municipality) in the Province of Caserta in the Italian region Campania located about {{convert|11|km|mi|0}} northwest of Naples and about {{convert|12|km|mi|0}} southwest of Caserta.

Sant'Arpino borders the following municipalities: Cesa, Frattamaggiore, Frattaminore, Grumo Nevano, Orta di Atella, Sant'Antimo, Succivo.

Sant'Arpino is the vulgarized version of Sant'Elpidio, bishop and patron of the town. The ancient city of Atella was located nearby.