What is "leonhardt"

Leonhardt is a surname. Notable people with the surname include:

• Robert Leonhardt (1877–1923), Austria born baritone
• Fritz Leonhardt (1909–1999), German civil engineer
• Gustav Leonhardt (1928–2012), Dutch musician
• Wolfgang Leonhard (1921–2014), German political author, publicist, and historian
• David Leonhardt (1973–), a business journalist, and Pulitzer Prize winner with the New York Times
• Paul Saladin Leonhardt
• Joachim Leonhardt (1929-), German scientist and marksheider