Rhein-Neckar is an electoral constituency (German: Wahlkreis) represented in the Bundestag.

Since 2021, it has been represented by Moritz Oppelt of the Christian Democratic Union (CDU).

As of the 2021 federal election, it comprises the entirety of the Rhein-Neckar-Kreis district excluding the municipalities of Dossenheim, Edingen-Neckarhausen, Eppelheim, Heddesheim, Hemsbach, Hirschberg an der Bergstraße, Ilvesheim, Ladenburg, Laudenbach, Schriesheim, Weinheim, Altlußheim, Brühl, Hockenheim, Ketsch, Neulußheim, Oftersheim, Plankstadt, Reilingen, and Schwetzingen.

The constituency has been held continuously by the Christian Democratic Union (CDU) since its creation.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.