Schmitt may refer to:

• Schmitt, Germany
• Schmitt trigger
• Schmitt Gillenwater Kelly syndrome
• Schmitt's Gay

People with the surname Schmitt

• Al Schmitt, American recorded music engineer
• Alfred Schmitt – French astronomer
• Father Aloysius Schmitt (1909-1941) – Roman Catholic priest who died at Pearl Harbor
• David P. Schmitt – psychologist
• Dennis Schmitt, American explorer
• Éric-Emmanuel Schmitt, French writer
• Francis O. Schmitt (1903-1995), American scientist
• Florent Schmitt (1870-1958) – French composer
• Jean-Claude Schmitt, French medievalist
• C. L. Schmitt, Pennsylvania legislator
• Carl Schmitt (1888-1985), German Catholic intellectual,
• Harrison Schmitt (born 1935), American former astronaut and New Mexico Senator; twelfth man to walk on the Moon
• Ingo Schmitt, German politician
• Mark Francis Schmitt, American Roman Catholic bishop
• Owen Schmitt, American football player
• Otto Schmitt, American inventor and biophysicist
• Pál Schmitt, Hungarian politician
• Rudolf Schmitt (1830-1898), co-discoverer of the Kolbe-Schmitt reaction
• Waldo L. Schmitt (1887-1977), American biologist
• Martin Schmitt, German ski jumper
• Bernard Schmitt, French economist