South (Luxembourgish: Süden; French: Sud; German: Süden) is one of the four multi-member constituencies of the Chamber of Deputies, the national legislature of Luxembourg.

The constituency was established in 1919 following the introduction of proportional representation for elections to the Chamber of Deputies.

The constituency currently elects 23 of the 60 members of the Chamber of Deputies using the open party-list proportional representation electoral system.

South currently elects 23 of the 60 members of the Chamber of Deputies using the open party-list proportional representation electoral system.

[7][8] The ballot paper is invalidated if the elector cast more votes than the number of deputies to be elected from the constituency.

Results of the 1931 general election held on 7 June 1931:[47] The following candidates were elected:[47] Jean-Pierre Mockel (LAP), 18,814 votes; and Eugène Reichling (RP), 16,336 votes.