Caianello

{{More citations needed|date=February 2008}}

{{Infobox Italian comune

| name = Caianello

| official_name = Comune di Caianello

| native_name =

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| coordinates = {{coord|41|18|N|14|5|E|type:city(1,791)_region:IT|display=inline}}

| coordinates_footnotes =

| region = Campania

| province = Caserta (CE)

| frazioni =

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| mayor = Marino Feroce

| area_footnotes =

| area_total_km2 = 15.6

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

| population_total = 1871

| population_as_of = 30 April 2017

| pop_density_footnotes =

| population_demonym = Caianellesi

| elevation_footnotes =

| elevation_m = 236

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| saint = St. Michael Archangel

| day = 29 September

| postal_code = 81040

| area_code = 0823

| website = {{official website|http://www.comune.caianello.ce.it/}}

| footnotes =

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Caianello is a comune (municipality) in the Province of Caserta in the Italian region Campania, located about {{convert|50|km|mi}} northwest of Naples and about {{convert|35|km|mi}} northwest of Caserta.

Caianello borders the following municipalities: Marzano Appio, Roccamonfina, Teano, Vairano Patenora.