2018 Pennsylvania's 18th congressional district special election

A special election for Pennsylvania's 18th congressional district was held on March 13, 2018, following the resignation of Republican representative Tim Murphy. Murphy, who held the seat since January 3, 2003, declared his intent to resign on October 5, 2017, and vacated his seat on October 21 that year. Democrat Conor Lamb defeated Republican Rick Saccone 49.86% to 49.53%. Saccone conceded the race eight days after the election.