:Llantilio Pertholey

{{Use dmy dates|date=October 2019}}

{{Infobox UK place

| country = Wales

| welsh_name = Llandeilo Bertholau

| static_image = St. Teilo church, Llantilio Pertholey - geograph.org.uk - 216212.jpg

| static_image_width = 220px

| static_image_caption = Church of St. Teilo, Llantilio Pertholey

| constituency_welsh_assembly =

| map_type =

| coordinates = {{coord|51.841439|-3.000684|display=inline,title}}

| official_name = Llantilio Pertholey

| unitary_wales = Monmouthshire

| lieutenancy_wales = Gwent

| constituency_westminster = Monmouth

| post_town = ABERGAVENNY

| postcode_district = NP7

| postcode_area = NP

| dial_code = 01873

| os_grid_reference = SO312164

| population = 3,906

| population_ref = (2011){{cite web|url=https://neighbourhood.statistics.gov.uk/dissemination/LeadKeyFigures.do?a=7&b=11125983&c=NP7+6HX&d=16&e=62&g=6496713&i=1001x1003x1032x1004&m=0&r=0&s=1428145091576&enc=1|title=Parish population 2011|accessdate= 4 April 2015}}

| module= 240px
Map of the community

}}

Llantilio Pertholey ({{langx|cy|Llandeilo Bertholau}}) is a village and community (parish) in Monmouthshire, south east Wales. It is located {{convert|2|mi}} to the north-east of the market town of Abergavenny, which it is part of, just off the A465 road to Hereford. The parish covers a large area beneath the Skirrid, an outlier of the Black Mountains; much of the parish lies within the easternmost part of the Brecon Beacons National Park.