Prignitz – Ostprignitz-Ruppin – Havelland I is an electoral constituency (German: Wahlkreis) represented in the Bundestag.

[1] Prignitz – Ostprignitz-Ruppin – Havelland I was created for the inaugural 1990 federal election after German reunification.

[1] Prignitz – Ostprignitz-Ruppin – Havelland I was created after German reunification in 1990, then known as Neuruppin – Kyritz – Wittstock – Pritzwalk – Perleberg.

Originally, the constituency comprised the districts of Neuruppin, Kyritz, Wittstock, Pritzwalk, and Perleberg.

The constituency was first represented by Rosemarie Priebus of the Christian Democratic Union (CDU) from 1990 to 1994.

It was won by the Social Democratic Party (SPD) in 1994, and represented by Ernst Bahr until 2009.

Dagmar Ziegler of the SPD served a single term from 2009 until 2013, when it was won by CDU candidate Sebastian Steineke.