Lenhart is a surname. Notable people with the surname include:
Amanda Lenhart, senior research specialist at the Pew Internet & American Life Project Heidi Lenhart (born 1973), American actress Jeanne Lenhart, American volleyball player Johnny Lenhart (1915–1991), American basketball player Julius Lenhart (1875–1962), Austrian gymnast Ralph Lenhart (1930–2022), American educator and politician Sascha Lenhart (born 1973), German footballer Stefan Lenhart (born 1969), German artist Steven Lenhart (born 1986), American soccer player Suzanne Lenhart (born 1954), American mathematician Zdeněk Lenhart (born 1948), orienteering competitor who competed for Czechoslovakia
See also Lenhart Schubert, American artificial intelligence researcher Lenhart Shultz (1889–1964), American politician Leki Lenhart, German sporting equipment company Lenhart Farm, Pennsylvania Lenhart Farmhouse, Indiana Hotel Lenhart, California