Olpe – Märkischer Kreis I is an electoral constituency (German: Wahlkreis) represented in the Bundestag.

Since 2021, it has been represented by Florian Müller of the Christian Democratic Union (CDU).

The constituency has been held 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.

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.