Partridge Brook

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

{{Infobox river

| name = Partridge Brook

| name_native =

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| image =

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| pushpin_map = New Hampshire#USA

| pushpin_map_size = 250 px

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| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = State

| subdivision_name2 = New Hampshire

| subdivision_type3 = County

| subdivision_name3 = Cheshire

| subdivision_type4 = Towns

| subdivision_name4 = Chesterfield, Westmoreland

| subdivision_type5 =

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| length = {{convert|7.5|mi|km|abbr=on}}

| width_min =

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| source1 = Spofford Lake

| source1_location = Spofford

| source1_coordinates= {{coord|42|54|32|N|72|25|30|W|type:river|display=inline}}

| source1_elevation = {{convert|218|m|ft|order=flip|abbr=on}}

| mouth = Connecticut River

| mouth_location = Westmoreland

| mouth_coordinates = {{coord|42|58|34|N|72|27|57|W|type:river|display=inline,title}}

| mouth_elevation = {{convert|69|m|ft|order=flip|abbr=on}}

| progression =

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| tributaries_right = Glebe Brook

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Partridge Brook is a {{convert|7.5|mi|km|adj=mid|-long}}[http://www.granit.unh.edu New Hampshire GRANIT state geographic information system] stream located in southwestern New Hampshire in the United States. It is a tributary of the Connecticut River, which flows to Long Island Sound.

Partridge Brook begins at the outlet of Spofford Lake at Spofford village in the town of Chesterfield, New Hampshire. The brook flows east, then north, then northwest, into the town of Westmoreland, before reaching the Connecticut River.

In Westmoreland, the brook is subject to New Hampshire's Comprehensive Shoreland Protection Act.