Karl Platt (born March 14, 1978, in Novosibirsk) is a German mountain biker.

[1] Platt grew up in Siberia until the age of ten, where his parents were banished during Stalinism.

After the travel ban was relaxed under Mikhail Gorbachev, the family emigrated to Germany and lives since then in Osthofen.

As his first success he became German junior downhill-champion in 1996 and after his move to cross country cycling he won the Lake Garda Marathon in 2001.

[1] His greatest achievements followed at the Cape Epic: He has won the South African mountain bike stage race five times since 2004.