Cloonboo
{{Use dmy dates|date=June 2020}}
{{Use Hiberno-English|date=June 2020}}
{{Infobox settlement
|name = Cloonboo
|native_name = {{lang|ga|Cluain Bú}}
|native_name_lang = ga
|settlement_type = Village
|image_skyline = Castles of Connacht, Cloonboo, Galway (1) - geograph.org.uk - 1953815.jpg
|image_caption = Cloonboo Castle
|pushpin_map = Ireland
|pushpin_label_position = right
|pushpin_map_caption = Location in Ireland
|subdivision_type = Country
|subdivision_name = Ireland
|subdivision_type1 = Province
|subdivision_name1 = Connacht
|subdivision_type3 = County
|subdivision_name3 = County Galway
|unit_pref = Metric
|population_as_of = 2022
|population_footnotes = {{cite web | title = Census Interactive Map – Towns: Cluain Bú | url = https://visual.cso.ie/?body=entity/ima/cop/2022&boundary=C04160V04929&guid=1a519f61-5c58-40f5-91db-2f90dcf7b30e | work = Census 2022 | publisher = Central Statistics Office | access-date = 2 June 2025}}
|population = 484
|timezone1 = WET
|utc_offset1 = +0
|utc_offset1_DST = -1
|coordinates = {{coord|53|22|34|N|9|0|46|W|dim:100000_region:IE|display=inline,title}}
|elevation_m =
|blank_name = Irish Grid Reference
|blank_info =
|website =
|footnotes =
}}
Cloonboo ({{Irish place name|Cluain Bú}}){{cite web|url= https://www.logainm.ie/en/18416 |publisher=Irish Placenames Database |title = Cluain Bú - Cloonboo|accessdate= 16 March 2019}} is a village in County Galway, Ireland. It is located on the N84 national secondary road from Galway to Castlebar.