Wendt is a German surname. Notable people with the surname include:

• Albert Wendt (born 1939), Samoan poet in New Zealand
• Alexander Wendt (born 1958), American political scientist
• Amadeus Wendt (1783–1836), German philosopher and music theorist
• Benny Wendt (born 1950), Swedish footballer
• Bill Wendt (1915–1966), American basketball coach and professional player
• Botho Wendt August Graf zu Eulenburg (1831–1911), Prussian politician
• Carl von Wendt (born 1953), Swedish curler
• Dean Wendt (born 1968), American voice actor
• E. Allan Wendt (born 1935), first US Ambassador to Slovenia
• François Willi Wendt (1909–1970), French painter
• Friedrich von Wendt (1738–1808), German physician
• Georg Wendt (1889–1948), German politician
• George Wendt (born 1948), American actor
• Guenter Wendt (1923–2010), German-American engineer
• Hans Hinrich Wendt, theologian
• Henry Lorensz Wendt (1858-1911), Sri Lankan Burgher lawyer, judge, and legislator
• J. M. Wendt (1830–1917), South Australian jeweller
• Jana Wendt (born 1956), Australian TV journalist
• Joja Wendt (born 1964), jazz musician
• Lionel Wendt (1900–1944), Sri Lankan pianist, photographer and critic
• Marian Wendt (born 1985), German politician
• Martin Wendt (active in 2000s), Danish professional poker player
• Mats Wendt (born 1965), Classical composer
• Oscar Wendt (born 1985), Swedish footballer
• Roger Wendt (1933–2011), Iowan politician and legislator
• Viola S. Wendt (1907–1986), American poet
• Wilhelmina Wendt (1896–1988), Swedish silversmith
• William Wendt (1865–1946), German-American landscape painter

• Wend (disambiguation)
• Wendt & Kühn, a German manufacturer of wooden figures and music boxes