Montieri

{{Infobox Italian comune

| name = Montieri

| official_name = Comune di Montieri

| native_name =

| image_skyline = Montieri01.jpg

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| coordinates = {{coord|43|7|N|11|1|E|type:city(1,245)_region:IT|display=inline,title}}

| coordinates_footnotes =

| region = Tuscany

| province = Grosseto (GR)

| frazioni = Boccheggiano, Gerfalco, Travale

| mayor_party =

| mayor = Nicola Verruzzi

| area_footnotes =

| area_total_km2 = 108.21

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

| population_total = 1177

| population_as_of = 1 January 2022

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| population_demonym = Montierini

| elevation_footnotes =

| elevation_m = 704

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| postal_code = 58026

| area_code = 0566

| website = {{official website|http://www.comune.montieri.gr.it/}}

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Montieri is a comune (municipality) in the Province of Grosseto in the Italian region Tuscany, located about {{convert|70|km|mi}} south of Florence and about {{convert|40|km|mi}} north of Grosseto.

Among the churches in the town is the 14th-century church of Santi Michele e Paolo with a painting attributed to Taddeo Gaddi.