Grailhen

{{Infobox French commune

|name = Grailhen

|commune status = Commune

|image = Grailhen - Vue sur le village.jpg

|caption = A view of the village

|image coat of arms = Blason ville fr Grailhen (65).svg

|arrondissement = Bagnères-de-Bigorre

|canton = Neste, Aure et Louron

|INSEE = 65208

|postal code = 65170

|mayor =

|term =

|intercommunality = Aure-Louron

|coordinates = {{coord|42.8475|0.3622|format=dms|display=inline,title}}

|elevation m = 1110

|elevation min m = 1000

|elevation max m = 1728

|area km2 = 6.06

|population = {{France metadata Wikidata|population_total}}

|population date = {{France metadata Wikidata|population_as_of}}

|population footnotes = {{France metadata Wikidata|population_footnotes}}

}}

Grailhen is a commune in the Hautes-Pyrénées department in south-western France.