Conradt is a surname. Notable people with the surname include:
Ervin Conradt (1916–2001), American politician in Wisconsin Jody Conradt (born 1941), American women's basketball coach Louis William "Bill" Conradt Jr. (1950–2006), American district attorney and suspected sexual offender Uwe Conradt (born 1977), German politician elected mayor of Saarbrücken in 2019