Fairhall River

{{Use New Zealand English|date=April 2024}}

{{Use dmy dates|date=July 2019}}

{{Infobox river

| name = Fairhall River

| image =

| image_size =

| image_caption =

| source1_location = Marlborough

| mouth_location = Opawa River

| subdivision_type1 = Country

| subdivision_name1 = New Zealand

| length =

| source1_elevation =

| mouth_elevation =

| discharge1_avg =

| basin_size =

}}

The Fairhall River is a river in the Marlborough region of New Zealand. It arises near Blairich Pass and flows north-east to join the Ōpaoa River between Renwick and Blenheim. The locality of Fairhall is east of the river.{{cite book|title=Reed New Zealand Atlas|year=2004|isbn=0-7900-0952-8|editor=Peter Dowling |publisher=Reed Books|pages=map 60}} The river and locality were named in 1847 for a chainman in a survey team in the area.{{cite book|title=Discover New Zealand:A Wises Guide|edition=9th|year=1994|page=295}}

A vineyard, Fairhall Downs, was established in the river valley in 1982.{{cite web|url=http://www.fairhalldowns.co.nz/|title=Fairhall Downs Estate Wines|accessdate=26 July 2009}}