SubprefectA subprefect is a senior government official in several countries at the local level, such as Brazil and France.BrazilIn Brazil, a subprefect is the highest official of a subprefecture, which is a subdivision of certain large municipalities. The subprefect serves under the municipality's prefect.FranceIn France, a subprefect is the top official in a departmental arrondissement that is not the arrondissement of the prefecture. The subprefect, who is appointed by the President of France, serves under the department's prefect.