Lilhac

{{Use dmy dates|date=August 2023}}

{{Infobox French commune

|name = Lilhac

|commune status = Commune

|image = bonaccordlilhac.jpg

|caption = Pétanque courts at the Bon Accord bar

|arrondissement = Saint-Gaudens

|canton = Cazères

|INSEE = 31301

|postal code = 31230

|mayor = Gilbert Sioutac{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=2 December 2020|language=fr}}

|term = 2020–2026

|intercommunality =

|coordinates = {{coord|43.2858|0.81|format=dms|display=inline,title}}

|elevation m = 390

|elevation min m = 280

|elevation max m = 381

|area km2 = 7.3

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

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

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

}}

Lilhac ({{IPA|fr|lijak}}) is a commune in the Haute Garonne department in southwestern France.