Károly Güttler (born 15 June 1968 in Budapest) is a former breaststroker from Hungary, who represented his native country at four consecutive Olympics, beginning with the 1988 Summer Olympics in Seoul and ending with the 2000 Summer Olympics in Sydney, Australia.

He won the silver medal in the 100 m and 200 m breaststroke, once each, both at separate Games.

Güttler enjoyed a productive year in 1993 when he won gold and silver in the 100 m and 200 m breaststroke respectively at the European Championships in Sheffield, United Kingdom.

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