Matthias Sammer (born September 5, 1967 in Dresden, East Germany) is a former German soccer player who is now a head coach in the German Bundesliga.

He was named European Footballer of the Year in 1996, the year he lead Germany to victory in the European Championship. Sammer retired with 74 total caps, 23 for East Germany and 51 for the unified side.

Sammer played for Dynamo Dresden (1987-1990), VfB Stuttgart (1990-1992), Inter Milan (1992-1993), and Dortmund (1993-1998). He won two East Germany championships with Dynamo Dresden (1989, 1990), and three German championships, (1992 with VfB Stuttgart, 1995 and 1996 with Borussia Dortmund). During his time in Dortmund he also won the Champions League in 1997.

After a serious knee injury forced him to retire in 1998 he became head coach for Borussia Dortmund in 2000, leading the team to another German championship in 2002. His team reached the UEFA Cup finals the same year but lost 2:3 against Feyenoord Rotterdam.

In 2004, Sammer signed a three-year contract as head coach with VfB Stuttgart. He is married and has three children, Sarah, Marvin, and Leon.