Helmstedt – Wolfsburg is an electoral constituency (German: Wahlkreis) represented in the Bundestag.

In the inaugural Bundestag election, it was Lower Saxony constituency 29 in the numbering system.

In the 1965 through 1972 elections, it comprised the independent city of Wolfsburg and the districts of Helmtedt and Landkreis Braunschweig, again excluding Thedinghausen.

In the 1976 election, it comprised Wolfsburg, Helmstedt, and the municipality of Cremlingen and Samtgemeinde of Sickte from the district of Wolfenbüttel.

The constituency was first held by Hermann Troppenz of the Social Democratic Party (SPD), who served from 1949 to 1953.

Alfred Burgemeister of the Christian Democratic Union (CDU) won in 1953 and served until 1969.

Rudolf Hauck of the SPD then served until 1983, when Volkmar Köhler of the CDU won the constituency.

In 1998, SPD candidate Bodo Seidenthal regained the constituency, and served a single term.

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