Séméac

{{Infobox French commune

|name = Séméac

|commune status = Commune

|arrondissement = Tarbes

|canton = Aureilhan

|INSEE = 65417

|postal code = 65600

|mayor = Philippe Baubay{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/en/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=9 August 2021|language=fr}}

|term = 2020–2026

|intercommunality = CA Tarbes-Lourdes-Pyrénées

|coordinates = {{coord|43.2292|0.1075|format=dms|display=inline,title}}

|elevation m = 321

|elevation min m = 310

|elevation max m = 436

|area km2 = 6.29

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

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

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

}}

Séméac ({{IPA|fr|semeak}}; {{langx|oc|Semiac}}) is a commune in the Hautes-Pyrénées department in south-western France.