Diethelm

Diethelm may refer to:

Surnames

 * Barbara Diethelm (born 1962), Swiss painter
 * Caspar Diethelm (1926–1997), Swiss composer
 * Hans Diethelm (born 1967), Swiss former skier
 * Michael Diethelm (born 1985), Swiss footballer
 * Pascal Diethelm (born 1944), Swiss anti-tobacco activist
 * Rolf Diethelm (born 1940), Swiss former ice hockey player

First names

 * Diethelm Ferner (born 1941), German football coach
 * Diethelm Sack (born 1948), German businessman
 * Diethelm von Eichel-Streiber (1914–1996), German Luftwaffe pilot

Middle names

 * Heidi Diethelm Gerber (born 1969), Swiss sport shooter