Montallegro

{{Expand Italian|date=January 2022|topic=geo}}

{{Infobox Italian comune

| name = Montallegro

| official_name = Comune di Montallegro

| native_name =

| image_skyline = Montallegro.jpg

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| image_shield = Montallegro-Stemma.png

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| coordinates = {{coord|37|24|N|13|21|E|type:city(2,639)_region:IT|display=inline}}

| coordinates_footnotes =

| region = Sicily

| province = Agrigento (AG)

| frazioni =

| mayor_party =

| mayor = Caterina Scalia

| area_footnotes =

| area_total_km2 = 27.41| population_footnotes =

| population_total = 2498

| population_as_of = 30 October 2017All demographics and other statistics: Italian statistical institute Istat.

| pop_density_footnotes =

| population_demonym = Montallegresi

| elevation_footnotes =

| elevation_m = 100

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| postal_code = 92010

| area_code = 0922

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}}

Montallegro (Sicilian: Muntallegru) is a comune (municipality) in the Province of Agrigento in the Italian region Sicily, located about {{convert|128|km|mi}} south of Palermo and about {{convert|31|km|mi}} northwest of Agrigento.

Montallegro borders the following municipalities: Agrigento, Cattolica Eraclea, Siculiana.