Blue Brook

{{Use American English|date=February 2025}}

{{Infobox river

| name = Blue Brook

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| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = State

| subdivision_name2 = New York

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| mouth = Mohawk River

| mouth_location = West Branch, New York

| mouth_coordinates = {{coord|43|22|30|N|75|26|52|W|display=inline,title}}{{cite gnis

| id = 944299

| name = Blue brook

| accessdate = 2017-10-29 }}

| mouth_elevation = {{convert|858|ft|abbr=on}}

| progression =

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| basin_size_mi2 = 3.46

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Blue Brook flows into the Mohawk River near West Branch, New York.{{cite web

| url = https://waterdata.usgs.gov/nwis/inventory?agency_code=USGS&site_no=0133579105

| title = Blue Brook

| date = 1999

| website = usgs.gov

| publisher = usgs

| access-date = 18 April 2017

| quote = data}}