Peter Gagelmann (born 9 June 1968) is a former German football referee from Bremen. Gagelmann was a German Football Association referee for over 20 years, overseeing more than 200 Bundesliga matches during a 15-year period. He made his debut in the 2. Bundesliga in 1998, and oversaw his first Bundesliga match in 2000. Gagelmann retired from officiating in 2015 because he reached the age limit for German referees, which is 47. Gagelmann now lives in Bremen and works as an employee at an event management company.