Voigt (mainly written Vogt, also Voight) is a German surname, and may refer to:

• Alexander Voigt, German football player
• Alwin Voigt (1852–1922), German school teacher, writer, and ornithologist
• Angela Voigt, East German long jumper
• Christian August Voigt (1808–1890), Austrian anatomist
• Cynthia Voigt, author of books for young adults
• Deborah Voigt, American opera singer
• Edward Voigt, born in Bremen, Germany, former U.S. Representative from Wisconsin
• Edwin Edgar Voigt, bishop
• Ellen Bryant Voigt, German American poet
• Erika Voigt, actress
• Frank Voigt, musician; flute player in the 1970s progressive rock band Think
• Frederick Augustus Voigt (1892–1957), British journalist and author of German descent
• Friedrich Siegmund (Sigismund) Voigt (Voight) ( 1781 - 1850), German botanist and zoologist
• Georg Voigt, German historian
• Harry Voigt, German Olympic athlete
• Irma Voigt (1882–1953), Dean of Women at Ohio University
• Jaap Voigt (born 1941), Dutch field hockey player
• Jack Voigt, baseball player
• Jan Voigt, actor
• Jens Voigt, professional road cyclist
• Joachim Otto Voigt, a Danish and German botanist
• Johannes Voigt, German historian and father of Georg(e)
• Margarete Voigt-Schweikert (1887-1957), German composer and music critic
• Margit Voigt, German mathematician
• Philip Nolan Voigt, fictional character from Marvel Comics
• Stu Voigt, former NFL tight end
• Thomas Heinrich Vogt (1838–1896), German painter and Royal Court photographer during the Wilhelmine Period
• Udo Voigt, German ultra-conservative politician
• Werner Voigt, German football coach and former player
• Wilhelm Voigt (1849–1922), the "Hauptmann von Köpenick", German impostor
• Woldemar Voigt (1850–1919), German physicist
• Woldemar Voigt (engineer) (1907-1980), German engineer
• Wolfgang Voigt, electronic music artist