Jan Quast (born 9 January 1970 in Rostock) is a German former boxer who competed in the light flyweight (– 48 kg) division during the late 1980s, early 1990s.

[1] He represented his native country at the 1992 Summer Olympics in Barcelona, where he won the bronze medal.

In the semifinals he was stopped by Bulgaria's eventual runner-up Daniel Petrov.

He also participated in five World Championships in 1989 in Moscow, 1991 in Sydney, 1993 in Tampere, 1995 in Berlin and 1997 in Budapest.

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