Mullaghboy

{{short description|Village in County Antrim, Northern Ireland}}

{{Use dmy dates|date=June 2025}}

{{Infobox UK place

|official_name= Mullaghboy

|irish_name= Mullach Buidhe

|scots_name=

|local_name=

|static_image=

|static_image_caption=

|map_type=

|latitude=

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|belfast_distance=

| population = 390

| population_ref = (2021 Census)

|irish_grid_reference=

|unitary_northern_ireland=

|country= Northern Ireland

|historic_county=

|post_town=

|postcode_area= BT

|postcode_district= BT40

|dial_code= 028

|constituency_westminster=

|lieutenancy_northern_ireland= County Antrim

|website=

|hide_services= yes

}}

Mullaghboy ({{Irish derived place name|Mullach Buidhe|yellow summit}}){{cite web|title=Mullaghboy|url=http://www.placenamesni.org/resultdetails.php?entry=16803|website=Place Names NI|access-date=4 May 2015}} is a small village and townland (of 251 acres) on Islandmagee in County Antrim, Northern Ireland. It is situated in the civil parish of Islandmagee and the historic barony of Belfast Lower.{{cite web|title=Mullaghboy|url=http://www.thecore.com/seanruad/|website=IreAtlas Townlands Database|access-date=4 May 2015}} It is within the Larne Borough Council area. It had a population of 390 people in the 2011 Census.{{cite web|title=Mullaghboy|url=http://www.nisra.gov.uk/census/2021/results/settlements.html|website=Census 2021 Results|publisher=NI Statistics and Research Agency|access-date=27 June 2025}} (2011 Census: 364 people).