Emmendingen – Lahr is an electoral constituency (German: Wahlkreis) represented in the Bundestag.

As of the 2021 federal election, it comprises the Emmendingen district and the municipalities of Ettenheim, Fischerbach, Friesenheim, Haslach im Kinzigtal, Hofstetten, Kappel-Grafenhausen, Kippenheim, Lahr/Schwarzwald, Mahlberg, Meißenheim, Mühlenbach, Ringsheim, Rust, Schuttertal, Schwanau, Seelbach, and Steinach from the Ortenaukreis district.

In the 1980 election, it acquired a configuration similar to its current borders, but including the municipalities of Gutach, Hausach, Hornberg, Oberwolfach, and Wolfach.

The constituency has been held continuously by 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.