Ada, West Virginia

{{Use mdy dates|date=July 2023}}

{{Infobox settlement

|official_name = Ada, West Virginia

|settlement_type = Unincorporated community

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|image_skyline = Ada, WV (5791618675).jpg

|imagesize = 275px

|image_caption = A Norfolk Southern train passes through Ada on the Christiansburg District

|image_flag =

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|pushpin_map = West Virginia#USA

|pushpin_label_position = top

|pushpin_map_caption = Location within the state of West Virginia

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|map_caption = Location within Mercer county

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|subdivision_type = Country

|subdivision_name = United States

|subdivision_type1 = State

|subdivision_name1 = West Virginia

|subdivision_type2 = County

|subdivision_name2 = Mercer

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|timezone = Eastern (EST)

|utc_offset = -5

|timezone_DST = EDT

|utc_offset_DST = -4

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|elevation_ft = 2280

|coordinates = {{coord|37|17|41|N|81|08|48|W|region:US-WV|display=inline,title}}

|postal_code_type =

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|area_codes = 304 & 681

|blank_name = GNIS feature ID

|blank_info = 1553691{{gnis|1553691}}

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Ada is an unincorporated community in Mercer County, West Virginia, United States. Ada is located on the Norfolk Southern Railway Christiansburg District line and West Virginia Route 112, {{convert|4.5|mi|km}} east-northeast of Bluefield, in the East River valley.{{cite map | publisher = United States Geological Survey | title = Bluefield Quadrangle, West Virginia | year = 2023 | scale = 1 : 24,000 | series = 7.5 Minute Series (Topographic) | OCLC = | url = https://ngmdb.usgs.gov/ht-bin/tv_browse.pl?id=573ecb6d9fa6baf4d8b1d167d5a221ff

| access-date = April 2, 2025 }} The community has also been known as Long Falls.

Ada was named for a young local girl.{{cite book|last=Kenny|first=Hamill|title=West Virginia Place Names: Their Origin and Meaning, Including the Nomenclature of the Streams and Mountains|url=http://babel.hathitrust.org/cgi/pt?id=mdp.39015009099824;view=1up;seq=101|year=1945|publisher=The Place Name Press|location=Piedmont, WV|page=73}}