Lamarque-Rustaing

{{Infobox French commune

|name = Lamarque-Rustaing

|commune status = Commune

|image coat of arms = Blason ville fr Lamarque-Rustaing (65).svg

|arrondissement = Tarbes

|canton = Les Coteaux

|INSEE = 65253

|postal code = 65220

|mayor = Christian Duprat{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|publisher=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=13 September 2022|language=fr}}

|term = 2020–2026

|intercommunality = Pays de Trie et Magnoac

|coordinates = {{coord|43.2797|0.2956|format=dms|display=inline,title}}

|elevation m = 350

|elevation min m = 287

|elevation max m = 421

|area km2 = 2.79

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

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

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

}}

Lamarque-Rustaing ({{IPA|fr|lamaʁk ʁystɛ̃}}; {{langx|oc|La Marca d'Arrostanh}}) is a commune in the Hautes-Pyrénées department in south-western France.