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 97. It is located in southwestern North Rhine-Westphalia, comprising the western part of the Rhein-Sieg-Kreis district.^[1]

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).^[2]

Rhein-Sieg-Kreis II is located in southwestern North Rhine-Westphalia. As of the 2021 federal election, it comprises the municipalities of Alfter, Bad Honnef, Bornheim, Königswinter, Meckenheim, Rheinbach, Sankt Augustin, Swisttal, and Wachtberg from the Rhein-Sieg-Kreis district.^[1]

Rhein-Sieg-Kreis II was created in 1980 and contained parts of the redistributed Rhein-Sieg-Kreis I constituency. In the 1980 through 1998 elections, it was constituency 65 in the numbering system. From 2002 through 2009, it was number 99. In the 2013 through 2021 elections, it was number 98. From the 2025 election, it has been number 97. Its borders have not changed since its creation.

The constituency has been held continuously by the Christian Democratic Union (CDU) since its creation. It was first represented by Franz Möller 1980 to 1994. Since 1994, it has been represented by Norbert Röttgen.