Chivasso–Ivrea–Aosta railway

{{Short description|Railway line in Italy}}

{{Infobox rail line

| box_width =

| name = Chivasso–Ivrea–Aosta railway

| image = Ponte di ferro sulla Dora Baltea.JPG

| caption = The railway bridge over the river Dora Baltea

| type = Heavy rail

| status = in use

| locale = Italy

| start = Chivasso railway station

| end = Aosta railway station

| stations = 11 station, 3 stops

| open = {{Start date|1886|07|05|df=y}}

| owner = RFI

| operator = Trenitalia

| linelength_km = 100

| routenumber =

| linenumber = 5

| tracks = 1

| gauge = {{Track gauge|sg|allk=on}}

| speed_km/h =

| map = {{Chivasso–Aosta railway diagram}}

| map_state = collapsed

}}

The Chivasso–Ivrea–Aosta railway is a railway line that links the regions of Piedmont and Aosta Valley in Italy. It was inaugurated from 1858 to 1886.{{Sfn|Prospetto cronologico|1926}}

The railway was operated by the Italian Armys Ferrovieri Engineer Regiment from 1915 to 1943 and 1949 to 2001.