The 1845 United States Senate election in Pennsylvania was held on January 14, 1845. Incumbent Daniel Sturgeon was re-elected by the Pennsylvania General Assembly to the United States Senate.
The Pennsylvania General Assembly, consisting of the House of Representatives and the Senate, convened on January 14, 1845, to elect a Senator to serve the term beginning on March 4, 1845. The results of the vote of both houses combined are as follows: