Knapp Brook

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

{{Infobox river

| name = Knapp Brook

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| pushpin_map = New York Adirondack Park#USA

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| pushpin_map_caption= Location of the mouth within New York

| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = State

| subdivision_name2 = New York

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| mouth = Mohawk River

| mouth_location = West Schuyler, New York

| mouth_coordinates = {{coord|43|05|17|N|75|08|32|W|display=inline,title}}{{cite gnis

| id = 954756

| name = Knapp Brook

| accessdate = October 13, 2017}}

| mouth_elevation = {{convert|384|ft|abbr=on}}

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Knapp Brook is a river that flows into the Mohawk River by West Schuyler, New York.{{cite web

| url = https://waterdata.usgs.gov/nwis/inventory/?site_no=0134953305&agency_cd=USGS&

| title = Knapp Brook

| website = usgs.gov

| publisher = United States Geological Survey

| access-date = October 12, 2017}}