Duttweiler is a Swiss surname. Notable people with this surname include
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Adele Duttweiler (1892–1990), Swiss women and philanthropist, wife of Gottlieb Duttweiler
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Gottlieb Duttweiler (1888–1962), Swiss businessman and politician, founder of the Migros group
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Gottlieb Duttweiler Institute in Switzerland
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Werner Duttweiler
Werner Duttweiler (born 21 November 1939) is a Swiss athlete. He competed in the decathlon at the 1964 Summer Olympics and the 1968 Summer Olympics
The 1968 Summer Olympics ( es, Juegos Olímpicos de Verano de 1968), officially known as the ...
(born 1939), Swiss athlete
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German-language surnames