Zollernalb – Sigmaringen is an electoral constituency (German: Wahlkreis) represented in the Bundestag.

As of the 2021 federal election, it comprises the district of Sigmaringen excluding the municipalities of Herdwangen-Schönach, Illmensee, Pfullendorf, and Wald as well as the district of Zollernalbkreis excluding the municipalities of Bisingen, Burladingen, Grosselfingen, Hechingen, Jungingen, and Rangendingen.

Originally, the constituency comprised the districts of Balingen, Sigmaringen, Hechingen, and Münsingen.

In the 1980 through 1998 elections, it acquired a configuration similar to its current borders, but including the entirety of the Sigmaringen district.

In the 2002 election, it also contained the municipalities of Altshausen, Boms, Ebenweiler, Ebersbach-Musbach, Eichstegen, Fleischwangen, Guggenhausen, Hoßkirch, Königseggwald, Riedhausen, and Unterwaldhausen from the Ravensburg district.

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.