The given name Carl, Carol, Carlo or Karl and surname Schmid, Schmidt or Schmitt may refer to:
Carl or Karl Carl Schmidt (chemist) (1822–1894), Livonian chemist also known as Karl Genrikhovich Schmidt Carl Wilhelm Schmidt (died 1864), German missionary also known as Karl Schmidt
Carl Carl Schmitt (composer) (1837–1900), New Zealand violinist and composer Carl Schmidt (architect) (1866–1945), Russian architect Carl Schmidt (Coptologist) (1868–1938), German Coptologist Carl Schmidt (politician) (1835–1888), American politician Carl Schmidt (rower) (1904–1992), Danish rower Carl Friedrich Schmidt (geologist) (1832–1908), Baltic German geologist and botanist Carl Schmitt (1888–1985), German jurist, political theorist and professor of law Carl Schmitt (artist) (1889–1989), American artist and writer Carl T. Schmidt (1906–1958), American scholar
Carlo Carlo Schmid (German politician) (1896–1979), German academic and politician Carlo Schmid-Sutter (1950–), Swiss politician
Karl Karl Patterson Schmidt (1890–1957), American herpetologist Karl Schmid (rower) (1910–1998), Swiss rower Karl Schmidt (footballer) (1932–2018), German footballer Karl Schmidt-Hellerau (1873–1948), German social reformer Karl Schmidt-Rottluff (1884–1976), German painter Karl Schmitt-Walter (1900–1985), German operatic baritone Karl Shmidt (1846–1928), mayor of Kishinev Karl von Schmidt (1817–1875), Prussian cavalry general Karl Ludwig Schmidt (1891–1956), German Protestant theologian and professor of New Testament studies Karl Schmid (artist) (1914–1998), Swiss artist Karl Schmid (1980-), Television Host and Activist Karl Schmidt (broadcaster) (died 2016), American radio broadcaster
See also Karl Schmidt Memorial, Chennai, Tamil Nadu, India, dedicated to a sailor who drowned in 1930 while saving a life Carl Friedrich Schmidt (disambiguation)