Rio nell'Elba

{{Infobox frazione

| name = Rio nell'Elba

| official_name =

| native_name =

| image_skyline = Rio nell elba pan.jpg

| imagesize =

| image_alt =

| image_caption = Panorama of Rio nell'Elba

| shield_alt =

| image_map =

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| coordinates = {{coord|42|49|N|10|24|E|type:city(1,114)_region:IT|display=inline}}

| coordinates_footnotes =

| region = Tuscany

| province = Livorno (LI)

| comune = Rio

| population_footnotes = [http://demo.istat.it/pop2017/index.html Istat]

| population_total = 782

| population_as_of = October 2011

| pop_density_footnotes =

| gentilic =Riesi

| elevation_footnotes =

| elevation_m = 165

| twin1 =

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| saint = St. James

| day = July 25

| postal_code = 57039

| area_code = 0565

| footnotes =

}}

Rio nell'Elba is a frazione of the comune of Rio, in the Province of Livorno in the Italian region Tuscany, located about {{convert|130|km|mi}} southwest of Florence and about {{convert|80|km|mi}} south of Livorno.