Rhein-Sieg-Kreis II 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 98. It is located in southwestern North Rhine-Westphalia, comprising the western part of the Rhein-Sieg-Kreis district. Rhein-Sieg-Kreis II was created for the 1980 federal election. Since 1994, it has been represented by Norbert Röttgen of the Christian Democratic Union (CDU).