Steinfurt I – Borken I is an electoral constituency (German: Wahlkreis) represented in the Bundestag.

As of the 2021 federal election, it comprises the municipalities of Horstmar, Metelen, Neuenkirchen, Ochtrup, Rheine, Steinfurt, and Wettringen from Steinfurt district, and the municipalities of Ahaus, Gronau, Heek, Legden, and Schöppingen from Borken district.

The constituency has been held by Jens Spahn of 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.