Patrick Martin Stumph (born April 27, 1984), known professionally as Patrick Vaughn Stump, is an American singer-songwriter, musician, record producer, actor and music critic, best known as the lead vocalist, rhythm guitarist, pianist, and composer of Fall Out Boy, an American rock band from Wilmette, Illinois. Stump embarked on a solo career as a side-project from Fall Out Boy during its hiatus.

He has been credited for being a soulful vocalist suitable for R&B, as well as one of the best voices in pop punk, according to Billboard. With Fall Out Boy he placed singles in the top 10 of the US Billboard Hot 100 and their 2007 album Infinity on High reached No. 1 on the Billboard 200, with two more albums peaking in the top 10. The band toured extensively since their early days and have performed over 1300 shows since their inception in 2001. He has collaborated with an extensive list of artists and has produced albums for other artists including Cobra Starship and Gym Class Heroes.