Gießen is an electoral constituency (German: Wahlkreis) represented in the Bundestag. It elects one member via first-past-the-post voting. Under the current constituency numbering system, it is designated as constituency 173. It is located in central Hesse, comprising the Gießen district and the northwestern part of the Vogelsbergkreis district. Gießen was created for the inaugural 1949 federal election. Since 2021, it has been represented by Felix Döring of the Social Democratic Party (SPD).