Neil Richard Flynn (born November 13, 1960) is an American actor and comedian. After performing with numerous comedy troupes in the Chicago area during the 1980s, he made his film debut in Major League (1989). During the 1990s, Flynn had supporting roles in the films Rookie of the Year (1993), The Fugitive (1993), and Magnolia (1999).

After a starring voice role as XR on the ABC and UPN animated series Buzz Lightyear of Star Command (2000–2001), Flynn had his breakout with a recurring, later main, role as Janitor on the first eight seasons of the NBC and ABC medical sitcom Scrubs (2001–2009). Following his breakout, he had a starring role in the comedy film Hoot (2006) and supporting roles in the films Mean Girls (2004) and Indiana Jones and the Kingdom of the Crystal Skull (2008).

Flynn received further mainstream recognition for his main role as Mike Heck on the ABC sitcom The Middle (2009–2018), which earned him a nomination for the Critics' Choice Television Award for Best Supporting Actor in a Comedy Series in 2016. In the late 2010s and 2020s, Flynn starred in the Christian comedy film The Resurrection of Gavin Stone (2017) and had a main role as Fred Herbert on the NBC sitcom Abby's (2019).