The mayoral election of 2007 in Pittsburgh, Pennsylvania was a special election held on Tuesday, November 6, 2007. The incumbent mayor, Luke Ravenstahl of the Democratic Party faced Republican challenger Mark DeSantis, a telecommunications executive and adjunct professor at Carnegie Mellon University. The race was notable for the strength of its Republican challenger, rare in Pittsburgh, and the election of such a young mayor, Ravenstahl being 27 years old at the time. Ravenstahl was elected with a comfortable margin in an election marked by unusually cold weather and record voter turnout.