Marquardt
Marquardt is a surname of German origin. Notable people with the surname include:
- August F. Marquardt (1850–1925), American politician
- Bridget Marquardt (born 1973), American television personality, glamour model, and actress
- Christel Marquardt (fl. from 1974), American jurist from Kansas
- Christiane Marquardt (born 1958), East German sprinter
- Darcy Marquardt (born 1979), Canadian rower
- David Marquardt (born 1949), venture capitalist
- Donald Marquardt (1929–1997), American statistician
- Elizabeth Marquardt (fl. 2001–2013), author
- Erik Marquardt (born 1987), German politician
- Joachim Marquardt (1812–1882), German historian and writer on Roman antiquities
- Lewis Marquardt (1936–2010), American politician and educator
- Markus Marquardt (born 1970), German operatic baritone
- Mike Marquardt (born 1982), American football player
- Nate Marquardt (born 1979), American mixed martial artist
- Ollie Marquardt (1902–1968), American baseball player
- R. Niels Marquardt (born 1953), American diplomat
- Roy Edward Marquardt (1917–1982), American engineer, inventor of the ramjet, founder of Marquardt Aircraft Co.
- Stephen R. Marquardt (1955–2022), American surgeon