Sem, Ariège

{{short description|Part of Val-de-Sos in Occitanie, France}}

{{Expand French|topic=geo|date=December 2008|Sem (Ariège)}}

{{Infobox French commune

|name = Sem

|image = Sem en Ariège.JPG

|caption = An aerial view of Sem

|image coat of arms =

|arrondissement = Foix

|canton = Sabarthès

|commune = Val-de-Sos

|INSEE = 09286

|postal code = 09220

|coordinates = {{coord|42.7686|1.5197|format=dms|display=inline,title}}

|elevation m = 960

|elevation min m = 825

|elevation max m = 2042

|area km2 = 5.22

|population = 22

|population date = 2021

|population footnotes = {{cite web|url=https://www.insee.fr/fr/statistiques/fichier/7739582/ensemble.pdf|title=Populations légales 2021|language=fr|trans-title=Legal populations 2021|publisher=INSEE|date=December 2023}}

}}

Sem ({{IPA|fr|sɛm}}) is a former commune in the Ariège department in southwestern France. On 1 January 2019, it was merged into the new commune Val-de-Sos.[http://www.ariege.gouv.fr/content/download/16514/105100/file/recueil-09-2018-037-recueil-des-actes-administratifs-1.pdf Arrêté préfectoral] 16 July 2018, p. 160 {{in lang|fr}}