Joseph Brebsom (1913 – 12 April 2005) was a Luxembourgish politician.
A member of the Luxembourg Socialist Workers' Party (LSAP), Brebsom spent most of his career in the communal council of Esch-sur-Alzette.
He rose to hold position as an échevin (1965–1969, 1970–1978) and Mayor (1978–1990), replacing the Communist Arthur Useldinger.
He also sat in the Chamber of Deputies from 1974.
This article about a mayor in Luxembourg is a stub.